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Definition of efficacy

"efficacy" in the noun sense

1. efficacy, efficaciousness

capacity or power to produce a desired effect

"concern about the safety and efficacy of the vaccine"

Source: WordNet® (An amazing lexical database of English)

Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.

View WordNet® License

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Quotations for efficacy

Teaching has not a tithe of the efficacy of training. [ Horace Mann ]

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efficacy in Scrabble®

The word efficacy 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: 21

Highest Scoring Scrabble® Play In The Letters efficacy:

EFFICACY
(216)
 

All Scrabble® Plays For The Word efficacy

EFFICACY
(216)
EFFICACY
(198)
EFFICACY
(144)
EFFICACY
(132)
EFFICACY
(84)
EFFICACY
(84)
EFFICACY
(75)
EFFICACY
(75)
EFFICACY
(75)
EFFICACY
(72)
EFFICACY
(66)
EFFICACY
(66)
EFFICACY
(58)
EFFICACY
(54)
EFFICACY
(54)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(50)
EFFICACY
(50)
EFFICACY
(50)
EFFICACY
(48)
EFFICACY
(48)
EFFICACY
(46)
EFFICACY
(46)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(42)
EFFICACY
(42)
EFFICACY
(42)
EFFICACY
(42)
EFFICACY
(35)
EFFICACY
(31)
EFFICACY
(31)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(29)
EFFICACY
(29)
EFFICACY
(28)
EFFICACY
(28)
EFFICACY
(28)
EFFICACY
(26)
EFFICACY
(23)

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

EFFICACY
(216)
EFFICACY
(198)
EFFICACY
(144)
EFFICACY
(132)
EFFICACY
(84)
EFFICACY
(84)
EFFICACY
(75)
EFFICACY
(75)
EFFICACY
(75)
EFFICACY
(72)
EFFICACY
(66)
EFFICACY
(66)
EFFICACY
(58)
EFFICACY
(54)
EFFICACY
(54)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
IFFY
(51)
YAFF
(51)
YAFF
(51)
EFFICACY
(50)
EFFICACY
(50)
EFFICACY
(50)
EFFICACY
(48)
EFFICACY
(48)
EFFICACY
(46)
EFFICACY
(46)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(42)
FACIE
(42)
EFFICACY
(42)
IFFY
(42)
EFFICACY
(42)
EFFICACY
(42)
YAFF
(39)
IFFY
(39)
IFFY
(39)
IFFY
(39)
IFFY
(39)
YAFF
(39)
FACE
(39)
YAFF
(39)
YAFF
(39)
CAFE
(36)
FACIE
(36)
EFFICACY
(35)
IFFY
(34)
YAFF
(34)
YAFF
(34)
FACIE
(33)
FACIE
(33)
FACIE
(33)
CECA
(33)
EFFICACY
(31)
EFFICACY
(31)
FACIE
(30)
FACIE
(30)
FACIE
(30)
CAFE
(30)
EFFICACY
(30)
EFFICACY
(30)
FACE
(30)
EFFICACY
(29)
EFFICACY
(29)
FACIE
(28)
IFFY
(28)
FACIE
(28)
EFFICACY
(28)
EFFICACY
(28)
EFFICACY
(28)
FACE
(27)
EFF
(27)
CAFE
(27)
CAFE
(27)
CAFE
(27)
CECA
(27)
FACE
(27)
CAFE
(27)
EFF
(27)
EFF
(27)
FACE
(27)
FACE
(27)
YAFF
(26)
IFFY
(26)
EFFICACY
(26)
YAFF
(26)
YAFF
(26)
IFFY
(26)
YAFF
(26)
IFFY
(26)
IFFY
(26)
FACE
(26)
CECA
(24)
CAFE
(24)
CAY
(24)
CECA
(24)
CAY
(24)
CECA
(24)
FACIE
(24)
ICY
(24)
ICY
(24)
ICY
(24)
CAY
(24)
CECA
(24)
EFFICACY
(23)
CECA
(22)
FACIE
(22)
FACIE
(22)
IFFY
(21)
IFFY
(21)
YAFF
(21)
YAFF
(21)
YAFF
(21)
YAFF
(21)
IFFY
(21)
IFFY
(21)
CAFE
(20)
FACE
(20)
FACIE
(20)
FACIE
(20)
FACIE
(20)
FACIE
(20)
FACIE
(20)
FACIE
(20)
EFF
(18)
YEA
(18)
CECA
(18)
YEA
(18)
FACE
(18)
YAFF
(18)
FACE
(18)
EFF
(18)
EFF
(18)
IFFY
(18)
FACE
(18)
FACE
(18)
YEA
(18)
AYE
(18)
CAFE
(18)
CAFE
(18)
AYE
(18)
AYE
(18)
CAFE
(18)
CAFE
(18)
FACE
(17)
IFFY
(17)
YAFF
(17)
EFF
(17)
IFFY
(17)
EFF
(17)
IFFY
(17)
YAFF
(17)
CAFE
(17)
FACIE
(17)
YAFF
(17)
ICY
(16)
CAFE
(16)
FACE
(16)
CAY
(16)
ICY
(16)
CAY
(16)
ICY
(16)
CAY
(16)
FACIE
(16)
CAY
(16)
CECA
(16)
ICY
(16)
CECA
(16)
CECA
(16)
CECA
(16)
IF
(15)
YAFF
(15)
CAFE
(15)
YA
(15)
YA
(15)
ACE
(15)
ACE
(15)
IFFY
(15)
FACE
(15)
EF
(15)
FACIE
(15)
CAY
(15)
ACE
(15)
AY
(15)
AY
(15)
FA
(15)
EF
(15)
ICE
(15)
ICE
(15)
FA
(15)
YE
(15)
ICE
(15)
YE
(15)
IF
(15)
IFFY
(14)
Your Best
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PlaysLegendary
Scrabble
Plays
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efficacy in Words With Friends™

The word efficacy 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: 22

Highest Scoring Words With Friends™ Play In The Letters efficacy:

EFFICACY
(180)
 

All Words With Friends™ Plays For The Word efficacy

EFFICACY
(180)
EFFICACY
(144)
EFFICACY
(114)
EFFICACY
(114)
EFFICACY
(100)
EFFICACY
(96)
EFFICACY
(96)
EFFICACY
(92)
EFFICACY
(90)
EFFICACY
(90)
EFFICACY
(90)
EFFICACY
(88)
EFFICACY
(88)
EFFICACY
(78)
EFFICACY
(60)
EFFICACY
(60)
EFFICACY
(60)
EFFICACY
(60)
EFFICACY
(56)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(48)
EFFICACY
(48)
EFFICACY
(48)
EFFICACY
(46)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(38)
EFFICACY
(32)
EFFICACY
(32)
EFFICACY
(31)
EFFICACY
(31)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(29)
EFFICACY
(29)
EFFICACY
(29)
EFFICACY
(28)
EFFICACY
(27)
EFFICACY
(27)
EFFICACY
(27)
EFFICACY
(26)
EFFICACY
(26)
EFFICACY
(24)
EFFICACY
(24)
EFFICACY
(23)
EFFICACY
(23)

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

EFFICACY
(180)
EFFICACY
(144)
EFFICACY
(114)
EFFICACY
(114)
EFFICACY
(100)
EFFICACY
(96)
EFFICACY
(96)
EFFICACY
(92)
EFFICACY
(90)
EFFICACY
(90)
EFFICACY
(90)
EFFICACY
(88)
EFFICACY
(88)
EFFICACY
(78)
EFFICACY
(60)
EFFICACY
(60)
EFFICACY
(60)
EFFICACY
(60)
YAFF
(60)
FACIE
(57)
EFFICACY
(56)
CECA
(54)
FACE
(54)
CAFE
(54)
YAFF
(54)
IFFY
(54)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(52)
EFFICACY
(48)
EFFICACY
(48)
EFFICACY
(48)
EFFICACY
(46)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
EFFICACY
(44)
FACIE
(44)
EFFICACY
(44)
EFFICACY
(44)
IFFY
(42)
FACIE
(39)
FACIE
(39)
FACIE
(39)
EFFICACY
(38)
FACIE
(38)
YAFF
(36)
IFFY
(36)
IFFY
(36)
IFFY
(36)
CAFE
(36)
IFFY
(36)
YAFF
(36)
YAFF
(36)
FACE
(36)
CECA
(36)
YAFF
(36)
FACIE
(33)
FACIE
(33)
FACIE
(33)
YAFF
(32)
EFFICACY
(32)
EFFICACY
(32)
EFFICACY
(31)
EFFICACY
(31)
FACE
(30)
FACIE
(30)
CECA
(30)
IFFY
(30)
CAFE
(30)
FACE
(30)
CAFE
(30)
CECA
(30)
FACE
(30)
CECA
(30)
CAFE
(30)
FACE
(30)
CECA
(30)
CAFE
(30)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(30)
EFFICACY
(30)
YAFF
(30)
EFFICACY
(30)
EFFICACY
(29)
EFFICACY
(29)
EFFICACY
(29)
FACE
(28)
EFFICACY
(28)
CAFE
(28)
CECA
(28)
EFF
(27)
EFF
(27)
EFF
(27)
EFFICACY
(27)
EFFICACY
(27)
EFFICACY
(27)
FACIE
(27)
CECA
(26)
IFFY
(26)
YAFF
(26)
CAFE
(26)
FACIE
(26)
EFFICACY
(26)
IFFY
(26)
EFFICACY
(26)
FACE
(26)
IFFY
(24)
YAFF
(24)
CAY
(24)
CAY
(24)
YAFF
(24)
FACIE
(24)
YAFF
(24)
IFFY
(24)
IFFY
(24)
ICY
(24)
FACIE
(24)
YAFF
(24)
ICY
(24)
IFFY
(24)
ICY
(24)
FACIE
(24)
EFFICACY
(24)
EFFICACY
(24)
CAY
(24)
EFFICACY
(23)
EFFICACY
(23)
CAY
(22)
FACIE
(22)
CAFE
(22)
FACIE
(22)
YAFF
(22)
FACIE
(22)
IFFY
(22)
CECA
(22)
FACIE
(22)
FACIE
(22)
FACE
(22)
FACIE
(21)
FACIE
(21)
FACE
(20)
FACE
(20)
CECA
(20)
FACE
(20)
CECA
(20)
FACIE
(20)
CECA
(20)
FACE
(20)
CECA
(20)
IFFY
(20)
CAFE
(20)
YAFF
(20)
YAFF
(20)
CAFE
(20)
CAFE
(20)
IFFY
(20)
CAFE
(20)
EFF
(19)
YAFF
(19)
YAFF
(19)
IFFY
(19)
FACIE
(19)
FACIE
(19)
ICE
(18)
ICE
(18)
FACE
(18)
EFF
(18)
FACE
(18)
IFFY
(18)
CAFE
(18)
ACE
(18)
ICE
(18)
EFF
(18)
EFF
(18)
ACE
(18)
YAFF
(18)
CAFE
(18)
FACE
(18)
CECA
(18)
ACE
(18)
CECA
(18)
CAFE
(18)
CECA
(18)
EFF
(17)
FACIE
(17)
EFF
(17)
IFFY
(17)
YAFF
(17)
IFFY
(16)
YAFF
(16)
IFFY
(16)
IFFY
(16)
FACIE
(16)
YAFF
(16)
CAY
(16)
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Words With Friends
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Words within the letters of efficacy

2 letter words in efficacy (7 words)

aiayeffaifyaye

3 letter words in efficacy (7 words)

aceayecayefficeicyyea

4 letter words in efficacy (5 words)

cafececafaceiffyyaff

5 letter words in efficacy (1 word)

facie

8 letter words in efficacy (1 word)

efficacy

efficacy + 2 blanks (2 words)

efficacityinefficacy
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Words containing the sequence efficacy

Words that start with efficacy (1 word)

efficacy

Words with efficacy in them (1 word)

efficacy

Words that end with efficacy (2 words)

efficacyinefficacy
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Word Growth involving efficacy

Shorter words in efficacy

ef eff

Longer words containing efficacy

inefficacy