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