4 letter words ending with k in the mammoth censored word list.

amok atok back balk bank bark bask bauk beak berk bilk bink birk bisk boak bock bonk book bosk bouk brik buck buik bulk bunk busk calk cark cask cauk chik coak cock conk cook cork cowk cusk dack dank dark dawk deck deek desk dhak disk dock doek dook dork douk drek duck dunk dusk faik fank fink firk flak folk fork funk gawk geck geek gink gonk gouk gowk guck gunk hack haik hark hask hawk heck hick hock hoik holk honk hook howk hulk hunk husk jack jark jauk jerk jink jock jouk junk kaik kark keek kick kink klik kook kyak lack lank lark lawk leak leek lick link lirk lisk lock look luck lunk lurk lusk mark mask mawk meek milk mink mock monk muck murk musk nabk neck nerk neuk nick nock nork oink oulk pack paik park pawk peak peck peek penk perk pick pink pock ponk pook pork pouk puck pulk punk rack raik rank rark reak reck reek reik renk rick rink risk rock rook sack sank seek seik serk sick silk sink soak sock spek suck sulk sunk tack talk tank task teak teek tick tink took touk trek tuck turk tusk wack walk wark wauk weak week welk wick wink wock work yack yank yark yelk yerk yesk yeuk yirk yock yolk youk yuck zerk zonk