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