Here's what rhymes with eightfirm.
firm therm term affirm germ sperm worm terme berm perm infirm squirm corm confirm reaffirm isotherm endosperm wheatgerm angiosperm reconfirm gymnosperm Words that almost rhyme with eightfirm
fern turn learn burn stern discern tern yearn churn spurn adjourn quern upturn sauterne return concern overturn taciturn nocturne subaltern unconcern