Fretting rhymes with:
regretting, abetting, begetting, besetting, betting, fetting, forgetting, getting, jetting, letting, netting, offsetting, petting, regretting, reseting, setting, sweating, upsetting, vetting, wetting
Fretting sounds like:
farthing, farting, ferreting, fortune's, fortunes, forwarding, fourteens, freedman's, freedom's, freedoms, friedman's, frothiness, fruiting