Clinched rhymes with:
flinched, lynched, cinched, flinched, inched, lynched, pinched, branched, bunched, cinched, clenched, crunched, drenched, entrenched, flinched, hunched, inched, launched, lunched, lynched, munched, pinched, punched, relaunched, retrenched, scrunched, stanched, wrenched
Clinched sounds like:
calmest, challenged, cleanest, cleansed, clenched, climaxed, collingwood, colonist, colonized, columnist