Words That Rhyme With "Robitussin" :
2 syllables:
aasen, assen, basin, bason, bauson, bisson, bluffing, blushing, bossen, brushing, buckskin, busing, buskin, bussen, bussing, busting, bustling, buzzing, casson, christen, classen, clutching, cousin, cresson, crossen, crushing, cussing, Dawson, dressen, Dustin, dusting, Essen, fasten, flushing, fossen, frison, fussing, glisten, gossan, gushing, gusting, hessen, huffing, Husain, hushing, husking, hustling, Justin, kosin, lassen, Lawson, lessen, lesson, liesin, listen, lusting, lysin, messan, muffin, muscling, Nisan, nothin', nothing, oscine, pawson, Poussin, puffin, puffing, pulsing, rossen, roughing, ruffing, rushing, Ruskin, rusting, rustling, sasin, Sison, sloughing, snuffing, soughing, thissen, thrusting, trussing, trusting, yesen
3 syllables:
adjusting, aglisten, assassin, capsaicin, discussing, disgusting, encrusting, entrusting, mistrusting, pocosin, rebuffing, rechristen, repulsing, unblushing, unfasten
4 syllables:
Achromycin, bacitracin, Declomycin, decompressing, hemofuscin, streptomycin, streptothricin, Terramycin, tyrothricin, vancomycin, vasopressin