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