Here's what rhymes with waterflask.
flask task mask cask masque bask basque unmask Words that almost rhyme with waterflask
lack rank flank frank rack slack shrank franc lac flak lank wrack yak yank flack yack back black bank track blank tank thank crack drank pack sank stack nach plaque sac sack crank hack jack plank tack fac knack shack shank smack snack dank hanc mac mak prank shellac tak talc whack clack clank hank spank stank swank claque mack wack attack aback quack unpack outrank repack highjack elegiac zodiac hardtack ipecac anorak thumbtack embank rickrack skyjack cardiac paperback almanac maniac quarterback riverbank haversack piggyback amnesiac databank pointblank applejack razorback charabanc pickaback mudpack counterattack antitank demoniac lumberjack stickleback crackerjack gunnysack steeplejack insomniac nymphomaniac megalomaniac