Centex rhymes with:
entex, entex, genentech's, intex, qintex, symantec's, syntex, trintex, adaptec's, ameritech's, ametek's, armtek's, audiotex, avtex, aztecs, biotechs, 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, symantec's, syntex, trintex, ventritex, vertex, videotex, wedtech's, westtech's
Centex sounds like:
camdessus, canada's, canandaigua, candace, candice, candice's, candidacies, candidacy, candidate's, candidates, candidates', candies, candiotti's, candy's, cementos, cendejas, cenith's, cents, chants, checkmates, chenowitz, chintzy, ciments, cindy's, cinematic, cocoanuts, coconuts, cognetics, comatose, comdex, comdisco, comedic, comedies, comedy's, comet's, comets, comitatus, command's, commandos, commands, commends, comments, commits, committee's, committees, committees', commodious, commodities, commodity's, communities, community's, commutes, comtois, condos, conduits, coneheads, connotes, contac, contagious, contiguous, contois, contos, coontz, cosmetic, cosmetics, cosmonauts, cosmonauts', countess, countesses, counties, counts, county's, cyanamid's, cynthia's