Words That Rhyme With "Nothin'" :
2 syllables:
bluffing, blushing, brushing, busing, bussing, crushing, cussing, Dothan, flushing, fussing, gushing, huffing, hushing, mithan, mithun, muffin, Pathan, puffin, puffing, roughing, ruffing, rushing, sloughing, something, soughing, stuffing, trussing
3 syllables:
discussing, rebuffing, unblushing