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