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