Dianetics rhymes with:
agrigenetics, genetics, kinetics, pharmakinetics, phonetics, agrigenetics, bionetics, cadnetix, cognetics, genetics, helionetics, intermagnetics, kinetics, magnetics, pharmakinetics, phonetics
Dianetics sounds like:
d'amato's, damitz, dante's, demands, dematteis, denotes, dents, dentsu, diamandis, diamond's, diamonds, dominates, don'ts, donates, donuts, donuts', dundas, dynatech