Dentsu rhymes with:
agematsu, daihatsu, etsu, fujitsu, keiretsu, norimatsu, settsu, toshimitsu, umetsu, agematsu, basu, daihatsu, etsu, fujitsu, ginsu, gisu, iosue, jiangsu, keiretsu, ninsu, norimatsu, sassou, settsu, toshimitsu, umetsu
Dentsu sounds like:
d'amato's, damitz, dante's, demands, dematteis, denotes, dents, diamandis, diamond's, diamonds, dianetics, dominates, don'ts, donates, donuts, donuts', dundas, dynatech