Unfazed rhymes with:
fazed, phased, amazed, appraised, blazed, braised, crazed, dazed, fazed, gazed, glazed, grazed, phased, phrased, praised, raised, razed, reappraised
Unfazed sounds like:
unabashed, unaffected, unbiased, unfocused, uninfected, unopposed, unpacked