Succumbs rhymes with:
becomes, comes, becomes, bums, chums, comes, crumbs, drums, gumbs, gums, gumz, hums, mums, plum's, plums, rums, slums, somes, strums, sums, thumbs, tums, tums'
Succumbs sounds like:
sambuca, schnapps, schoenbeck, schoenhof's, shambaugh, shampoos, signifies, simba's, sinopec, snafus, snaps, sniffs, snipes, snips, snobbish, snobs, snubs, snuffs, sosnoff's, sunfish, sunobe's, swamps, symbiosis, synapse, synapses, synopsis, synovus