Unmarried rhymes with:
married, remarried, buried, ferried, harried, married, parried, remarried, varied, alread, buried, carried, ferried, gottfried, harried, intermarried, inventoried, liveried, married, parried, queried, remarried, storied, varied, wearied, wilfried
Unmarried sounds like:
unearth, unearthed, unenumerated, unheard, unhurried, unhurt, unrated, unrath, unread, unworried, unworthy