Here's what rhymes with parcimonious.
parsimonious erroneous harmonious felonious acrimonious ceremonious inharmonious unceremonious disharmonious sanctimonious Words that almost rhyme with parcimonious
copious coleus nosiness holiness loneliness commodious melodious cosiness coziness mouldiness gaucheness moldiness doziness associates ghostliness unholiness folksiness dissociates opprobrious incommodious defoliates defoliants disassociates exfoliates