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