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