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