↑

backfillers in Scrabble®

The word backfillers is playable in Scrabble®, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.

Scrabble® Letter Score: 22

Highest Scoring Scrabble® Play In The Letters backfillers:

BACKFILLERS

(243)

Seven Letter Word Alert: (42 words)

aircell, ascribe, backers, balkers, balkier, befalls, bickers, bilkers, blacker, braille, cablers, caliber, calibre, callers, cellars, eclairs, fabrics, fallers, fickler, fillers, flakier, flicker, friable, iceball, icefall, killers, liberal, lickers, likable, rallies, rebacks, rebills, recalls, refills, reskill, saclike, scalier, scleral, scribal, skiable, slacker, slicker

All Scrabble® Plays For The Word backfillers

BACKFILLERS

(243)

BACKFILLERS

(207)

BACKFILLERS

(162)

BACKFILLERS

(138)

BACKFILLERS

(108)

BACKFILLERS

(104)

BACKFILLERS

(92)

BACKFILLERS

(92)

BACKFILLERS

(88)

BACKFILLERS

(88)

BACKFILLERS

(88)

BACKFILLERS

(88)

BACKFILLERS

(88)

BACKFILLERS

(78)

BACKFILLERS

(78)

BACKFILLERS

(72)

BACKFILLERS

(64)

BACKFILLERS

(60)

BACKFILLERS

(58)

BACKFILLERS

(56)

BACKFILLERS

(56)

BACKFILLERS

(52)

BACKFILLERS

(52)

BACKFILLERS

(52)

BACKFILLERS

(52)

BACKFILLERS

(52)

BACKFILLERS

(48)

BACKFILLERS

(48)

BACKFILLERS

(48)

BACKFILLERS

(38)

BACKFILLERS

(34)

BACKFILLERS

(32)

BACKFILLERS

(31)

BACKFILLERS

(30)

BACKFILLERS

(29)

BACKFILLERS

(28)

BACKFILLERS

(27)

BACKFILLERS

(25)

The 200 Highest Scoring Scrabble® Plays For Words Using The Letters In backfillers

BACKFILLERS

(243)

BACKFILLERS

(207)

BACKFILLERS

(162)

BACKFILLERS

(138)

FLICKER

(114 = 64 + 50)

FICKLER

(114 = 64 + 50)

FICKLER

(113 = 63 + 50)

FLICKER

(113 = 63 + 50)

FICKLER

(113 = 63 + 50)

BACKERS

(110 = 60 + 50)

REBACKS

(110 = 60 + 50)

FICKLER

(110 = 60 + 50)

FLICKER

(110 = 60 + 50)

BACKERS

(110 = 60 + 50)

BICKERS

(110 = 60 + 50)

BICKERS

(110 = 60 + 50)

REBACKS

(110 = 60 + 50)

BACKERS

(110 = 60 + 50)

BICKERS

(110 = 60 + 50)

BLACKER

(110 = 60 + 50)

BLACKER

(110 = 60 + 50)

BACKFILLERS

(108)

FLAKIER

(107 = 57 + 50)

FLAKIER

(107 = 57 + 50)

FLICKER

(107 = 57 + 50)

FICKLER

(107 = 57 + 50)

FLICKER

(107 = 57 + 50)

FLAKIER

(106 = 56 + 50)

FABRICS

(106 = 56 + 50)

LICKERS

(104 = 54 + 50)

FABRICS

(104 = 54 + 50)

BICKERS

(104 = 54 + 50)

BILKERS

(104 = 54 + 50)

REBACKS

(104 = 54 + 50)

REBACKS

(104 = 54 + 50)

BLACKER

(104 = 54 + 50)

LICKERS

(104 = 54 + 50)

SKIABLE

(104 = 54 + 50)

BALKERS

(104 = 54 + 50)

BLACKER

(104 = 54 + 50)

FLAKIER

(104 = 54 + 50)

BICKERS

(104 = 54 + 50)

SLICKER

(104 = 54 + 50)

LIKABLE

(104 = 54 + 50)

BACKERS

(104 = 54 + 50)

BALKERS

(104 = 54 + 50)

SLACKER

(104 = 54 + 50)

BALKIER

(104 = 54 + 50)

SACLIKE

(104 = 54 + 50)

BILKERS

(104 = 54 + 50)

BLACKER

(104 = 54 + 50)

BACKFILLERS

(104)

BACKERS

(104 = 54 + 50)

BALKIER

(104 = 54 + 50)

BALKIER

(102 = 52 + 50)

LIKABLE

(102 = 52 + 50)

BILKERS

(102 = 52 + 50)

FLICKER

(102 = 52 + 50)

SLICKER

(102 = 52 + 50)

SLACKER

(102 = 52 + 50)

SACLIKE

(102 = 52 + 50)

LICKERS

(102 = 52 + 50)

SKIABLE

(102 = 52 + 50)

BALKERS

(102 = 52 + 50)

FICKLER

(101 = 51 + 50)

FLICKER

(101 = 51 + 50)

FICKLER

(101 = 51 + 50)

FICKLER

(101 = 51 + 50)

FABRICS

(101 = 51 + 50)

FABRICS

(101 = 51 + 50)

FLICKER

(101 = 51 + 50)

FICKLER

(101 = 51 + 50)

FLICKER

(101 = 51 + 50)

FLICKER

(101 = 51 + 50)

REBACKS

(100 = 50 + 50)

BLACKER

(100 = 50 + 50)

SLACKER

(98 = 48 + 50)

BALKERS

(98 = 48 + 50)

FLICKER

(98 = 48 + 50)

KILLERS

(98 = 48 + 50)

BICKERS

(98 = 48 + 50)

REBACKS

(98 = 48 + 50)

BEFALLS

(98 = 48 + 50)

BACKERS

(98 = 48 + 50)

SLACKER

(98 = 48 + 50)

FICKLER

(98 = 48 + 50)

LIKABLE

(98 = 48 + 50)

RESKILL

(98 = 48 + 50)

FRIABLE

(98 = 48 + 50)

BACKERS

(98 = 48 + 50)

BACKERS

(98 = 48 + 50)

BILKERS

(98 = 48 + 50)

BLACKER

(98 = 48 + 50)

SLICKER

(98 = 48 + 50)

BEFALLS

(98 = 48 + 50)

ICEFALL

(98 = 48 + 50)

BACKERS

(98 = 48 + 50)

RESKILL

(98 = 48 + 50)

BLACKER

(98 = 48 + 50)

ICEFALL

(98 = 48 + 50)

BLACKER

(98 = 48 + 50)

BLACKER

(98 = 48 + 50)

ICEFALL

(98 = 48 + 50)

REBACKS

(98 = 48 + 50)

FRIABLE

(98 = 48 + 50)

REBACKS

(98 = 48 + 50)

REBACKS

(98 = 48 + 50)

BICKERS

(98 = 48 + 50)

SACLIKE

(98 = 48 + 50)

SKIABLE

(98 = 48 + 50)

BALKIER

(98 = 48 + 50)

REBACKS

(98 = 48 + 50)

BICKERS

(98 = 48 + 50)

SLICKER

(98 = 48 + 50)

LICKERS

(98 = 48 + 50)

BICKERS

(98 = 48 + 50)

SLACKER

(96 = 46 + 50)

SACLIKE

(96 = 46 + 50)

SKIABLE

(96 = 46 + 50)

SLICKER

(96 = 46 + 50)

LIKABLE

(96 = 46 + 50)

FICKLER

(96 = 46 + 50)

FLAKIER

(95 = 45 + 50)

FLAKIER

(95 = 45 + 50)

FRIABLE

(95 = 45 + 50)

ICEFALL

(95 = 45 + 50)

FLAKIER

(95 = 45 + 50)

BLACKER

(95 = 45 + 50)

FLAKIER

(95 = 45 + 50)

FLAKIER

(95 = 45 + 50)

BEFALLS

(95 = 45 + 50)

REBACKS

(95 = 45 + 50)

FABRICS

(95 = 45 + 50)

FABRICS

(95 = 45 + 50)

FABRICS

(95 = 45 + 50)

BACKERS

(95 = 45 + 50)

BICKERS

(95 = 45 + 50)

FABRICS

(95 = 45 + 50)

FABRICS

(95 = 45 + 50)

SCRIBAL

(94 = 44 + 50)

RESKILL

(94 = 44 + 50)

FICKLER

(94 = 44 + 50)

CALIBER

(94 = 44 + 50)

FLICKER

(94 = 44 + 50)

KILLERS

(94 = 44 + 50)

ASCRIBE

(94 = 44 + 50)

CALIBRE

(94 = 44 + 50)

CABLERS

(94 = 44 + 50)

ICEBALL

(94 = 44 + 50)

LICKERS

(92 = 42 + 50)

FILLERS

(92 = 42 + 50)

SLACKER

(92 = 42 + 50)

SLACKER

(92 = 42 + 50)

BALKIER

(92 = 42 + 50)

SACLIKE

(92 = 42 + 50)

CALIBRE

(92 = 42 + 50)

BACKERS

(92 = 42 + 50)

CALIBRE

(92 = 42 + 50)

BALKIER

(92 = 42 + 50)

BICKERS

(92 = 42 + 50)

BILKERS

(92 = 42 + 50)

BACKFILLERS

(92)

LICKERS

(92 = 42 + 50)

SACLIKE

(92 = 42 + 50)

LICKERS

(92 = 42 + 50)

BACKERS

(92 = 42 + 50)

BALKIER

(92 = 42 + 50)

BICKERS

(92 = 42 + 50)

BALKIER

(92 = 42 + 50)

REFILLS

(92 = 42 + 50)

BACKFILLERS

(92)

SLACKER

(92 = 42 + 50)

FLAKIER

(92 = 42 + 50)

LIKABLE

(92 = 42 + 50)

FABRICS

(92 = 42 + 50)

SCRIBAL

(92 = 42 + 50)

SKIABLE

(92 = 42 + 50)

SACLIKE

(92 = 42 + 50)

BALKIER

(92 = 42 + 50)

SLACKER

(92 = 42 + 50)

BALKERS

(92 = 42 + 50)

SLACKER

(92 = 42 + 50)

BILKERS

(92 = 42 + 50)

LIKABLE

(92 = 42 + 50)

ICEBALL

(92 = 42 + 50)

SLICKER

(92 = 42 + 50)

REBACKS

(92 = 42 + 50)

SKIABLE

(92 = 42 + 50)

ASCRIBE

(92 = 42 + 50)

BILKERS

(92 = 42 + 50)

REBACKS

(92 = 42 + 50)

BALKERS

(92 = 42 + 50)

BLACKER

(92 = 42 + 50)

SLICKER

(92 = 42 + 50)

ICEBALL

(92 = 42 + 50)

SLICKER

(92 = 42 + 50)

LIKABLE

(92 = 42 + 50)

BALKERS

(92 = 42 + 50)

ASCRIBE

(92 = 42 + 50)

SKIABLE

(92 = 42 + 50)

Your Best
Scrabble
Plays Legendary
Scrabble
Plays

↑

backfillers in Words With Friends™

The word backfillers is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.

Words With Friends™ Letter Score: 26

Highest Scoring Words With Friends™ Plays In The Letters backfillers:

BACKFILLERS

(342)

BACKFILLERS

(342)

Seven Letter Word Alert: (42 words)

All Words With Friends™ Plays For The Word backfillers

BACKFILLERS

(342)

BACKFILLERS

(342)

BACKFILLERS

(288)

BACKFILLERS

(216)

BACKFILLERS

(180)

BACKFILLERS

(126)

BACKFILLERS

(124)

BACKFILLERS

(120)

BACKFILLERS

(108)

BACKFILLERS

(108)

BACKFILLERS

(108)

BACKFILLERS

(104)

BACKFILLERS

(104)

BACKFILLERS

(104)

BACKFILLERS

(96)

BACKFILLERS

(76)

BACKFILLERS

(72)

BACKFILLERS

(72)

BACKFILLERS

(72)

BACKFILLERS

(60)

BACKFILLERS

(60)

BACKFILLERS

(60)

BACKFILLERS

(52)

BACKFILLERS

(52)

BACKFILLERS

(40)

BACKFILLERS

(39)

BACKFILLERS

(37)

BACKFILLERS

(36)

BACKFILLERS

(35)

BACKFILLERS

(34)

BACKFILLERS

(33)

BACKFILLERS

(33)

BACKFILLERS

(33)

BACKFILLERS

(32)

BACKFILLERS

(32)

BACKFILLERS

(31)

BACKFILLERS

(30)

BACKFILLERS

(30)

BACKFILLERS

(29)

The 200 Highest Scoring Words With Friends™ Plays Using The Letters In backfillers

BACKFILLERS

(342)

BACKFILLERS

(342)

BACKFILLERS

(288)

BACKFILLERS

(216)

BACKFILLERS

(180)

FICKLER

(137 = 102 + 35)

BICKERS

(134 = 99 + 35)

BACKERS

(134 = 99 + 35)

FABRICS

(131 = 96 + 35)

ICEFALL

(128 = 93 + 35)

BEFALLS

(128 = 93 + 35)

ICEBALL

(128 = 93 + 35)

BACKFILLERS

(126)

FLICKER

(125 = 90 + 35)

BLACKER

(125 = 90 + 35)

LIKABLE

(125 = 90 + 35)

FLICKER

(125 = 90 + 35)

CABLERS

(125 = 90 + 35)

BLACKER

(125 = 90 + 35)

FICKLER

(125 = 90 + 35)

FICKLER

(125 = 90 + 35)

BACKFILLERS

(124)

REBACKS

(122 = 87 + 35)

BICKERS

(122 = 87 + 35)

SACLIKE

(122 = 87 + 35)

BICKERS

(122 = 87 + 35)

BACKERS

(122 = 87 + 35)

BACKERS

(122 = 87 + 35)

FLAKIER

(122 = 87 + 35)

BACKFILLERS

(120)

FLICKER

(119 = 84 + 35)

FLICKER

(119 = 84 + 35)

BLACKER

(119 = 84 + 35)

BLACKER

(119 = 84 + 35)

FICKLER

(119 = 84 + 35)

FICKLER

(119 = 84 + 35)

BALKIER

(116 = 81 + 35)

BILKERS

(116 = 81 + 35)

SKIABLE

(116 = 81 + 35)

KILLERS

(116 = 81 + 35)

SLICKER

(116 = 81 + 35)

BILKERS

(116 = 81 + 35)

RESKILL

(116 = 81 + 35)

SLICKER

(116 = 81 + 35)

ICEBALL

(116 = 81 + 35)

BALKERS

(116 = 81 + 35)

BALKERS

(116 = 81 + 35)

REBACKS

(116 = 81 + 35)

REBACKS

(116 = 81 + 35)

BACKERS

(116 = 81 + 35)

LICKERS

(116 = 81 + 35)

FLAKIER

(116 = 81 + 35)

REBACKS

(116 = 81 + 35)

BALKIER

(116 = 81 + 35)

LICKERS

(116 = 81 + 35)

SLACKER

(116 = 81 + 35)

SLACKER

(116 = 81 + 35)

LICKERS

(116 = 81 + 35)

BICKERS

(116 = 81 + 35)

BALKERS

(116 = 81 + 35)

BICKERS

(116 = 81 + 35)

BALKIER

(116 = 81 + 35)

BACKERS

(116 = 81 + 35)

ICEFALL

(116 = 81 + 35)

BILKERS

(116 = 81 + 35)

BLACKER

(113 = 78 + 35)

CALIBER

(113 = 78 + 35)

BLACKER

(113 = 78 + 35)

SCRIBAL

(113 = 78 + 35)

LIKABLE

(113 = 78 + 35)

FLICKER

(113 = 78 + 35)

BLACKER

(113 = 78 + 35)

FLICKER

(113 = 78 + 35)

FLICKER

(113 = 78 + 35)

FICKLER

(113 = 78 + 35)

FABRICS

(113 = 78 + 35)

CALIBRE

(113 = 78 + 35)

SLACKER

(110 = 75 + 35)

LICKERS

(110 = 75 + 35)

FLAKIER

(110 = 75 + 35)

RESKILL

(110 = 75 + 35)

BACKERS

(110 = 75 + 35)

BALKERS

(110 = 75 + 35)

FLAKIER

(110 = 75 + 35)

BILKERS

(110 = 75 + 35)

SACLIKE

(110 = 75 + 35)

SACLIKE

(110 = 75 + 35)

SLICKER

(110 = 75 + 35)

LICKERS

(110 = 75 + 35)

BALKIER

(110 = 75 + 35)

SKIABLE

(110 = 75 + 35)

BALKERS

(110 = 75 + 35)

BALKIER

(110 = 75 + 35)

BICKERS

(110 = 75 + 35)

BILKERS

(110 = 75 + 35)

SKIABLE

(110 = 75 + 35)

FLAKIER

(110 = 75 + 35)

BACKFILLERS

(108)

BACKFILLERS

(108)

BACKFILLERS

(108)

LIBERAL

(107 = 72 + 35)

BLACKER

(107 = 72 + 35)

FABRICS

(107 = 72 + 35)

BLACKER

(107 = 72 + 35)

FABRICS

(107 = 72 + 35)

SCRIBAL

(107 = 72 + 35)

CALIBRE

(107 = 72 + 35)

BLACKER

(107 = 72 + 35)

FRIABLE

(107 = 72 + 35)

FILLERS

(107 = 72 + 35)

AIRCELL

(107 = 72 + 35)

CALLERS

(107 = 72 + 35)

FLICKER

(107 = 72 + 35)

FICKLER

(107 = 72 + 35)

FICKLER

(107 = 72 + 35)

FALLERS

(107 = 72 + 35)

FLICKER

(107 = 72 + 35)

FRIABLE

(107 = 72 + 35)

FICKLER

(107 = 72 + 35)

CALIBER

(107 = 72 + 35)

FICKLER

(107 = 72 + 35)

FLICKER

(107 = 72 + 35)

CELLARS

(107 = 72 + 35)

ICEBALL

(104 = 69 + 35)

FLAKIER

(104 = 69 + 35)

BALKIER

(104 = 69 + 35)

ICEFALL

(104 = 69 + 35)

BACKFILLERS

(104)

BEFALLS

(104 = 69 + 35)

BALKERS

(104 = 69 + 35)

SLICKER

(104 = 69 + 35)

BACKFILLERS

(104)

SCALIER

(104 = 69 + 35)

SLICKER

(104 = 69 + 35)

RESKILL

(104 = 69 + 35)

ASCRIBE

(104 = 69 + 35)

ICEFALL

(104 = 69 + 35)

ICEBALL

(104 = 69 + 35)

BILKERS

(104 = 69 + 35)

KILLERS

(104 = 69 + 35)

ICEBALL

(104 = 69 + 35)

BACKFILLERS

(104)

ICEFALL

(104 = 69 + 35)

ASCRIBE

(104 = 69 + 35)

RESKILL

(104 = 69 + 35)

SLACKER

(104 = 69 + 35)

SLACKER

(104 = 69 + 35)

REBACKS

(103 = 68 + 35)

REBACKS

(103 = 68 + 35)

BACKERS

(103 = 68 + 35)

BICKERS

(103 = 68 + 35)

REBACKS

(103 = 68 + 35)

BICKERS

(103 = 68 + 35)

BACKERS

(103 = 68 + 35)

BACKERS

(103 = 68 + 35)

BICKERS

(103 = 68 + 35)

SCLERAL

(101 = 66 + 35)

CALIBRE

(101 = 66 + 35)

REFILLS

(101 = 66 + 35)

FRIABLE

(101 = 66 + 35)

SCRIBAL

(101 = 66 + 35)

RECALLS

(101 = 66 + 35)

FLICKER

(101 = 66 + 35)

AIRCELL

(101 = 66 + 35)

LIKABLE

(101 = 66 + 35)

CALIBER

(101 = 66 + 35)

REBILLS

(101 = 66 + 35)

BRAILLE

(101 = 66 + 35)

CABLERS

(101 = 66 + 35)

BLACKER

(101 = 66 + 35)

FABRICS

(99 = 64 + 35)

LIKABLE

(99 = 64 + 35)

FICKLE

(99)

FABRICS

(99 = 64 + 35)

FABRICS

(99 = 64 + 35)

LIKABLE

(99 = 64 + 35)

LIKABLE

(99 = 64 + 35)

SKIABLE

(98 = 63 + 35)

BICKERS

(98 = 63 + 35)

ICEFALL

(98 = 63 + 35)

BEFALLS

(98 = 63 + 35)

ECLAIRS

(98 = 63 + 35)

BACKERS

(98 = 63 + 35)

ICEBALL

(98 = 63 + 35)

BEFALLS

(98 = 63 + 35)

ASCRIBE

(98 = 63 + 35)

SACLIKE

(98 = 63 + 35)

REBACKS

(98 = 63 + 35)

BACKER

(96)

BACKFILLERS

(96)

BICKER

(96)

CELLARS

(95 = 60 + 35)

ICEBALL

(95 = 60 + 35)

FLAKIER

(95 = 60 + 35)

FLAKIER

(95 = 60 + 35)

BALKIER

(95 = 60 + 35)

BILKERS

(95 = 60 + 35)

SACLIKE

(95 = 60 + 35)

SLACKER

(95 = 60 + 35)

BILKERS

(95 = 60 + 35)

Legendary
Words With Friends
Plays Your Best
Words With Friends
Plays

↑

Words within the letters of backfillers

2 letter words in backfillers (12 words)

ab ai ar as be ef el fa if is la re

3 letter words in backfillers (48 words)

abs ace ail air ais alb ale all arc are ark ars ask bar bra cab car cis ear efs elf elk ell els era far fib fir ice ick ifs ilk ill ire irk kaf kea lab lea lek lie ref rib sac sea sic sir ski

4 letter words in backfillers (139 words)

5 letter words in backfillers (169 words)

abler acers acres afire aisle alike arils arise backs bails baker bakes baler bales balks balls bares barfs barks baser basic basil beaks bears becks bells berks biker bikes bilks bills black blare bleak blear brace brail brake break brick brief brill brisk cable cafes cakes calfs calif calli calls carbs cares cells clear clefs clerk crabs crake creak cribs cries earls ellis fable faces facie fails fairs faker fakes falls false farce fares fears fecal fella fells feral fiber fibre filer files fills fires flabs flack flail flair flake flare flask fleas fleck flick flier flies frail freak fries frill frisk icers ileac ileal kales kills krill label lacer laces lacks lairs laker lakes laris larks laser lasik leafs leaks liars libel liber libre licks lifer lifes liker likes lilac liras lirks races racks rails raise rakes reaks reals reask relic rials rices ricks riels rifle riles rille rills saber sable sabre safer scale scare scarf sella serac seral serif skier skill skirl slack slake slice slick slier

7 letter words in backfillers (42 words)

8 letter words in backfillers (18 words)

aircells backfile backfill backfire barflies barklice brailles calflike calibers crablike fireback fireball flickers iceballs icefalls liberals scarlike sellback

9 letter words in backfillers (6 words)

backfiles backfills backfires firebacks fireballs scarflike

10 letter words in backfillers (2 words)

backfiller blackflies

11 letter words in backfillers (1 word)

backfillers

↑

Words containing the sequence backfillers

Words that start with backfillers (1 word)

backfillers

Words with backfillers in them (1 word)

backfillers

Words that end with backfillers (1 word)

backfillers

↑

Word Growth involving backfillers

Shorter words in backfillers

back backfill backfiller

ill fill backfill backfiller

ill fill filler backfiller

ill fill filler fillers

Longer words containing backfillers

(No longer words found)

backfillers in Scrabble®

Scrabble® Letter Score: 22

Highest Scoring Scrabble® Play In The Letters backfillers:

Seven Letter Word Alert: (42 words)

All Scrabble® Plays For The Word backfillers

The 200 Highest Scoring Scrabble® Plays For Words Using The Letters In backfillers

backfillers in Words With Friends™

Words With Friends™ Letter Score: 26

Highest Scoring Words With Friends™ Plays In The Letters backfillers:

Seven Letter Word Alert: (42 words)

All Words With Friends™ Plays For The Word backfillers

The 200 Highest Scoring Words With Friends™ Plays Using The Letters In backfillers

Words within the letters of backfillers

2 letter words in backfillers (12 words)

3 letter words in backfillers (48 words)

4 letter words in backfillers (139 words)

5 letter words in backfillers (169 words)

6 letter words in backfillers (89 words)

7 letter words in backfillers (42 words)

8 letter words in backfillers (18 words)

9 letter words in backfillers (6 words)

10 letter words in backfillers (2 words)

11 letter words in backfillers (1 word)

Words containing the sequence backfillers

Words that start with backfillers (1 word)

Words with backfillers in them (1 word)

Words that end with backfillers (1 word)

Word Growth involving backfillers

Shorter words in backfillers

Longer words containing backfillers