Masturbation as a noun is manual erotic stimulation of the genitals or other erotic regions, often to orgasm, either by oneself or a partner. while Onanism as a noun is ejaculating outside the vagina during intercourse; (the performing of) coitus interruptus
Part of speech: noun
Definition: Manual erotic stimulation of the genitals or other erotic regions, often to orgasm, either by oneself or a partner.
Part of speech: noun
Definition: ejaculating outside the vagina during intercourse; (the performing of) coitus interruptusmasturbation
We hope you now know whether to use Masturbation or Onanism in your sentence.