Here's what rhymes with cubbish.
rubbish Words that almost rhyme with cubbish
apish uppish judges crutches grudges nudges dhotis sluttish fudges budges locative vocative drudges smudges trudges adjudges ablative fricative begrudges lenitive rejudges appositive misjudges mutative prejudges analogise transitive insipidus proliferative publish punish knavish youngish puckish tallish thuggish sluggish monkish sunfish lumpish lungfish mulish republish frumpish