Simex rhymes with:
gemex, timex, abex, albunex, alpex, ashtec's, avanex, cognex, complex, cortex, culex, dudeck's, forex, gemex, genex, ibex, immunex, index, inlex, koscheck's, micrografx, mondex, moulinex, ovex, pantex, patlex, proctorsilex, purex, quadrex, qualex, quanex, reflex, rolex, rorex, royex, semtex, spinifex, timex, trizec's, uzbeks, vortex
Simex sounds like:
sacking, saens's, saenz, sagansky, sagging, sainz, sam's, sam-joo, samaniego, same's, samek, sameness, sames, sami's, sammis, sammons, samms, samons, samos, sams, san-jose, sanches, sanchez, sanchez's, sancho, sancia, sang, sangyo, sanjay, sank, sanka, sankei, sankey, sanko, sanks, sankyo, sannes, sans, sanso, sansoucie, sansui, sansui's, sanwa's, sanz, sanzo, sassounguesso, saunas, sawing, sawshank, saxon's, saxons, saying, sayings, scams, scanning, scans, scenes, scenic, schanck, schank, schanz, schemes, scheming, schenck, schenk, schimek, schimke, schimming, schinke, schisms, schmancy, schmaus, schmeck, schmick, schmieg, schmoke, schmooze, schmuck, schmunk, schnack, schnake, schneck, schnick, schnook, schnooks, schoeneck, schoenig, schoening, schons, schumann's, schunk, schwanke, schwanz, schwenk, schwenke, schwing, science, science's, sciences, sciences', scimeca, scoggins, sconc, sconce, sconces, scones, sconnix, seagoing, seaman's, seamans, seamen's, seamons, seams, seamus, sean's, seanang, seanangs, seance, season's, seasoning, seasonings, seasons, see-kiong, seeing, seeking, seekins, seekonk, seeming, seems, seesawing, seismic, seizing, semans, semenza, semis, semmens, semmes, semones, seneca, senesac, senese, seng, senk, senko, sens, sense, senses, senske, sensuous, senzaki, sequence, sequences, sequins, sesno's, session's, sessions, sessions', sessoms, sessums, sewing, sexiness, shaanxi, shakiness, shaking, shakunaga, shamans, shamas, shames, shaming, shamus, shanansky, shanghai, shanghai's, shank, shanks, shannon's, shaughnessy, shawn's, shawshank, shaykin's, sheehan's, sheen's, sheens, shemanski, sheng, shenice, shenk, shenyang, shewmake, shimek, shimizu, shimko, shimkus, shimoga, shimokawa, shines, shing, shinichi, shining, shinko, shinnick, shinsei, shinsky, shinxiaku, shinyuka, shiong, shionogi, shocking, shoemake, shoney's, shonk, shonka, shougang, showcasing, showing, showings, shuchman's, shucking, shumake, shumsky, shunk, shunning, shuns, shying, shymanski, shyness, siamese, siang, sickening, sickness, siegan's, siemens, siemens's, sieminski, siems, sienko, sienna's, siggins, sighing, sign's, signage, signing, signings, signs, sihanouk, simas, simcha, simco, simcoe, simcox, simek, simes, simich, siminski, simko, simmon's, simmons, simmons', simmons's, simms, simoes, simon's, simone's, simoneaux, simonich, simonis, simons, sims, sims', since, sines, sing, sing's, singe, singh, singh's, sings, sinise, sinisi, sink, sinko, sinks, sinning, sins, sinuous, sinus, sinuses, sizing, skains, skanska, skeens, skeins, skewing, skiing, skimming, skin's, skinks, skins, skins', skunk, skunks, smack, smacks, smash, smashes, smick, smink, smisek, smoak, smock, smog, smoggy, smoke, smokes, smokey, smoky, smosh, smoshes, smouse, smuck, smug, snack, snacks, snag, snags, snake, snake's, snakes, snazzy, sneak, sneaks, sneaky, sneeze, sneezes, sniegowski, snohomish, snoke, snook, snooks, snooze, snow's, snowing, snows, snowshoe, snuck, snug, snuggs, soaking, socioeconomic, socking, soens, sogang, sohns, someone's, somes, somesh, somogyi, somoza, son's, sonchez, sones, sonex, song, song's, songs, songy, sonic, sonics, sonja, sonji, sonny's, sonoco, sons, sons', sony's, soong, soonyi's, sosinski, sosnowski, sowing, sowinski, squashing, squawking, squeaking, squeamish, squeezing, suchanek, sucking, suing, sumac, suminski, summing, summoning, summons, summonses, sums, sun's, suncook, sung, sung's, suniga, sunk, sunning, sunnis, sunoco, suns, sununu's, susan's, susong, susquehanna's, swango, swank, swanke, swanky, swann's, swans, swanzy, swaying, swimming, swims, swing, swings, swink, swooning, swung, symanski, symes, symmes, symms, symons, syms, synagogue, synagogues, sync, synch, synonymous, syscon's, szczesniak, szumski, szymanowski, szymanski, szymczak