Here's what rhymes with substitutis.
tuttis Words that almost rhyme with substitutis
pubis brutish pooches brooches prudish stooges rouges luges constitutive attributive scrooges subterfuges centrifuges tunics houris unis looseness toothpicks coulis pewits bouzoukis nutpicks acoustics rubrics broomsticks cruets flutists blueprints therapeutics opportunists absolutists balloonists nudists bassoonists hermeneutics cartoonists parachutists oculists cubists pharmaceutics