What rhymes with plenteous

2 Syllables
plenteous, splendrous
3 Syllables
contentious, horrendous, impetuous, licentious, pretentious, sententious, tendentious, tenebrous
4 Syllables
dissentious, eczematous, keratinous, macropterous, teniasis, unpretentious
5 Syllables
conscientious, infectiousness, tempestuousness, uncontentious, unselfconscious
6 Syllables
gentianaceous, meretriciousness