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