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

Words that almost rhyme with rockfirm

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