Here's what rhymes with diffrac.
lack rack slack lac flak 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 ipecac repack rickrack highjack elegiac unpack zodiac hardtack piggyback anorak thumbtack pickaback skyjack cardiac paperback almanac maniac haversack stickleback razorback mudpack demoniac lumberjack amnesiac insomniac applejack crackerjack gunnysack steeplejack counterattack quarterback nymphomaniac megalomaniac Words that almost rhyme with diffrac
flag lag rag slag bag drag tag gag hag stag wag brag crag fag mag nag sag snag zag dag shag swag fleabag scrag blag dishrag chinwag toerag washrag nosebag wigwag sleazebag saddlebag scalawag scallywag lollygag lallygag rank flank flask frank shrank franc lank yank 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 embank riverbank unmask databank pointblank charabanc antitank