confirm, reconfirm, affirm, confirm, ferm, firm, reaffirm, reconfirm, affirm, berm, confirm, ferm, firm, germ, germe, herm, hurm, long-term, reaffirm, reconfirm, schirm, sperm, squirm, sturm, term, therm, thurm, worm, wurm
inborn, inferno, inform
What rhymes with infirm?