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