Here's what rhymes with crack.
lack rack lac alk clack wrack yak claque yack back black track pack nach plaque sac sack slack hack jack tack fac knack shack flak mac mak quack tak whack flack mack wack attack stack aback smack snack shellac repack rickrack cardiac elegiac unpack ipecac anorak highjack skyjack almanac maniac zodiac hardtack piggyback crackerjack gunnysack razorback thumbtack pickaback mudpack paperback quarterback haversack lumberjack stickleback applejack counterattack demoniac amnesiac steeplejack insomniac megalomaniac nymphomaniac Words that almost rhyme with crack
lag rag ag crag bag flag drag tag slag gag hag wag brag fag mag nag sag zag dag shag scrag blag stag snag swag fleabag toerag dishrag washrag wigwag scalawag nosebag scallywag sleazebag chinwag lollygag lallygag saddlebag ask rank crank anc lank clank yank ankh bank task blank tank thank drank flank mask sank flask frank plank shrank cask franc masque shank bask dank hanc prank talc hank basque spank stank swank outrank unmask charabanc embank riverbank antitank databank pointblank