Words That Rhyme With "Pepsin" :
2 syllables:
blessing, breastpin, dressing, flexing, guessing, Lessing, messing, opsin, prepping, pressing, stepping, stepson, stressing, trypsin, Upson, vexing, x'ing
3 syllables:
addressing, alexin, annexing, assessing, caressing, cathepsin, compressing, confessing, depressing, digressing, distressing, erepsin, expressing, impressing, obsessing, oppressing, perplexing, possessing, professing, progressing, recessing, redressing, repressing, rhodopsin, steapsin, suppressing, transgressing
4 syllables:
acquiescing, amylopsin, chymotrypsin, coalescing, effervescing, prepossessing, reassessing, vasopressin