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