Untried rhymes with:
astride, retried, stride, tried, astride, bride, cried, decried, deride, dried, fried, macbride, mcbride, mcbryde, pride, pried, pryde, retried, ride, stride, tried
Untried sounds like:
underrate, underrated, undertow, underwood, underwrite, underwrote, undeterred, unhindered, unitrode, untoward, untreated, untruth