Here's what rhymes with contencionis.
macaronis Words that almost rhyme with contencionis
gnomish wholeness nobis yogis moroseness closeness aerobics prolix phobics stoics biopics trombonists osmosis narcosis bowsprits crochets jocoseness heroics postscripts bobolinks raviolis osteoporosis alkalosis endometriosis folklorists myxomatosis telephonists tuberculosis agoraphobics vibraphonists xylophonists atherosclerosis toxoplasmosis saxophonists