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