Symantec's rhymes with:
centex, entex, genentech's, intex, qintex, syntex, trintex, adaptec's, ameritech's, ametek's, armtek's, audiotex, avtex, aztecs, biotechs, centex, cytotechs, discotheques, entex, equitex, eyetech's, gatx, genentech's, gtech's, intex, kaisertech's, latex, memtec's, metex, natec's, pillowtex, playtex, portec's, qintex, railtex, scitex, syntex, trintex, ventritex, vertex, videotex, wedtech's, westtech's
Symantec's sounds like:
saint's, saints, saints', san-diego, sand's, sandage, sandhog, sandhogs, sandidge, sandos, sandose, sandoz, sandoz's, sands, sandusky, sandwich, sandwiches, sandwick, sandy's, sanitize, santa's, santas, santiago, santos, santosh, santosuosso, santucci, sassnet's, sassnets, scents, schantz, schematic, schmidt's, schmidtke, schmitz, schmutz, schnittke, schnitz, schwantes, second's, seconds, segment's, segments, semantic, semantics, sematech, semiotic, semiotics, semitic, semtex, senate's, sendak, sends, sentz, shands, shandwick, shandwick's, shanties, shantz, shawmut's, shindig, shontz, shunts, simmonds, simonds, skinheads, smith's, smiths, smithwick, smits, smooths, smoots, smudge, snatch, snatches, snitch, snout's, snouts, sonatas, sondag, sonnets, sonntag, sontag, sound's, sounds, sumita's, summit's, summits, sundae's, sunday's, sundays, sundews, swantek, symantec, symmonds, symonds, synod's, syntax, syntech, syntex, syntex's, syntheses, synthesis, synthesize, synthetic, synthetics