firm affirm therm term germ sperm worm isotherm terme berm perm confirm infirm reaffirm squirm corm endosperm reconfirm wheatgerm angiosperm gymnosperm

Words that almost rhyme with quasifirm

fern turn learn burn stern adjourn tern yearn churn spurn concern discern overturn quern upturn sauterne return taciturn nocturne subaltern unconcern