Entex rhymes with:
centex, centex, genentech's, intex, qintex, symantec's, syntex, trintex, adaptec's, ameritech's, ametek's, armtek's, audiotex, avtex, aztecs, biotechs, centex, cytotechs, discotheques, 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
Entex sounds like:
emanates, emetic, emits, endaka, endows, ends, enmities, enthuse, entice, entities, entities', entity's, entz