Here's what rhymes with trigonous.
Words that almost rhyme with trigonous
deaconess treasonous dreaminess evenness creaminess feebleness unevenness grievousness recentness gleefulness steaminess edematous sleeplessness peacefulness heedlessness cenotaphs speciousness needlessness ceaselessness egregiousness vehemence covetousness deceitfulness facetiousness speechlessness ingeniousness pediments