Somewheres rhymes with:
delaware's, housewares, software's, airfares, americares, armchairs, backstairs, bankshares, daycares, delaware's, fiduciares, forebears, healthcare's, housewares, legionnaire's, legionnaires, markair's, medicare's, nightmares, software's, tenncare's, thoroughfares, wheelchairs
Somewheres sounds like:
samaras, sammarco, samurai's, samurais, sanmark, scammers, scanners, scenarios, sceneries, schoenrock, schooners, schumer's, sconiers, sconyers, secomerica, seigniorage, seminaries, seminars, seniors, seymour's, shamir's, shamrock, shamrock's, shimmers, shinners, shinrikyo, siemers, signers, simmers, sinners, sisneros, skimmers, skinner's, smears, smirk, smirks, smyers, snares, snarski, sneers, somers, sommers, sonorous, sonrise, sooner's, sooners, summaries, summarize, summarizes, summer's, summers, summers's, summor's, sumners, sunamerica, sunrise, sunrise's, swimmers, synergies, synergy, synergy's