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