Unmatched rhymes with:
macht, matched, mismatched, overmatched, attached, detached, dispatched, hatched, latched, macht, matched, mismatched, overmatched, patched, reattached, scratched, snatched, thatched, unattached
Unmatched sounds like:
unadjust, unadjusted, unattached, undecided, undetected, undisguised, uneducated, unhedged, unindicted, unmitigated, unnoticed, untaxed, untested, untouched