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