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