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