Unheard rhymes with:
heard, herd, hird, hurd, misheard, overheard, absurd, alward, bird, blurred, burd, byrd, chauffeured, concurred, conferred, curd, deferred, demurred, deterred, ferd, gerd, gird, gjerde, heard, herd, hird, hurd, incurred, inferred, interred, jerde, kurd, leard, misheard, nerd, occurred, overheard, prefered, preferred, recurred, referred, reword, slurred, spurred, stirred, third, transfered, transferred, uncured, undeterred, word
Unheard sounds like:
unearth, unearthed, unenumerated, unhurried, unhurt, unmarried, unrated, unrath, unread, unworried, unworthy