Words That Rhyme With "Onus" :
2 syllables:
blueness, boneless, bonus, brownness, chromous, clonus, closeness, comas, coyness, Cronus, donis, donuts, doughnuts, drollness, dryness, Faunus, fewness, freeness, gaucheness, gayness, genus, glomus, gonys, grayness, greyness, grossness, grownups, heinous, highness, Janus, Jonas, Kaunas, keenness, leanness, linus, Lonas, lowness, maness, minas, Minos, minus, Momus, monas, munis, newness, pannus, planeness, promus, rawness, Romas, shyness, sinus, skewness, slowness, slyness, spinous, stannous, stoneless, toneless, tonus, trueness, Tunis, venous, Venus, vinous, wanness, weeness, wholeness, wryness
3 syllables:
aromas, awayness, baroqueness, begonias, colonus, concinnous, corona's, coronis, Delphinus, Dethomas, diplomas, dominus, echinus, germanous, humaneness, jocoseness, johannes, kimonos, Longinus, lymphomas, Maecenas, Morones, moroseness, mundaneness, Mutinus, pandanus, Plotinus, Portunus, profaneness, pulvinus, remoteness, Salinas, saphenous, scalenus, silenus, Silvanus, Socinus, subgenus, Tacoma's, uncinus, uncleanness, verboseness, Vincennes, withdrawnness
4 syllables:
Amazonas, Antoninus, Arizona's, botulinus, farawayness, Gaberones, inhumaneness, intravenous, laurustinus, marianas, monoclinous, Oklahoma's, opportuneness, pseudomonas