Shamrock's rhymes with:
aftershocks, audiovox, boombox, boondocks, breadbox, colorocs, crosswalks, deadlocks, detox, equinox, feedstocks, fischbach's, flintlocks, gearbox, gridlock's, gridlocks, gutwaks, hancock's, heterodox, hitchcock's, hollyhocks, icebox, jaycox, jukebox, mailbox, matchbox, matchlocks, orthodox, padlocks, palafox, paradox, peacocks, roadblocks, saltbox, sandbox, sherlock's, simcox, skybox, smallpox, soapbox, spacewalks, tarbox, tinderbox, unorthodox, willcox, woodcox
Shamrock's 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, shimmers, shinners, shinrikyo, siemers, signers, simmers, sinners, sisneros, skimmers, skinner's, smears, smirk, smirks, 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