Smirks rhymes with:
merc's, merck's, berkes, birkes, birks, burke's, burkes, burks, clerk's, clerks, clerks', declerck's, declercq's, declerk's, declerque's, deklerk's, derks, dircks, dirkes, dirks, dirkse, irks, jerks, kirk's, kirks, klerk's, lurks, merc's, merck's, overworks, percs, perks, quirks, turks, work's, works, works'
Smirks 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, smyers, snares, snarski, sneers, somers, somewheres, 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