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