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