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