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