Here's what rhymes with momentaneous.
spontaneous cutaneous simultaneous miscellaneous extraneous percutaneous subcutaneous contemporaneous extemporaneous Words that almost rhyme with momentaneous
manias macadamias radius daintiness patriots radiance laziness salience haziness raciness shakiness ungainliness shadiness tastiness pastiness spaciness vagarious compatriots irradiance craziness saintliness hastiness salients flakiness gradients neighborliness bacchanalias leisureliness