Simmer rhymes with:
excimer, brimmer, dimmer, excimer, glimmer, grimmer, kimmer, klimer, limmer, nimmer, primmer, rimmer, schwimmer, shimmer, skimmer, slimmer, swimmer, timmer, timur, trimmer, wimmer, zimmer
Simmer sounds like:
samar, samara, samaria, sameer, samir, samora, samra, samurai, saner, sanner, sanrio, saunier, scammer, scanner, scenario, scenery, schachner, schaner, scheiner, schemer, schmierer, schmoyer, schnarr, schneier, schnier, schnoor, schnorr, schnur, schnurr, schoener, schoenherr, schomer, schommer, schooner, schumer, schwemmer, schwimmer, seanor, segner, seminar, seminara, seminario, seminary, semira, semrau, semrow, senior, senner, senor, senora, seymore, seymour, shamir, shaner, shimer, shimmer, shiner, shinri, shumer, siemer, signer, signor, signore, signori, simer, sinar, siner, sinner, sinor, sisemore, sizemore, skimmer, skinner, skinnier, smarr, smear, smoyer, smyre, snare, snarr, sneary, sneer, snore, sohmer, somer, somewhere, sommer, sonar, sonier, sonner, sonnier, sonora, sooner, sumeria, summar, summary, summer, summerour, sumner, sumrow, swackhamer, swaner, swanner, swimmer, swimwear, sycamore, synar