N sex, sexuality, gender, male, masculinity, maleness, female, femininity, sexual intercourse, copulation, mating, coitus, sex, lovemaking, marital relations, sexual union, sleeping together, carnal knowledge, sex instinct, sex drive, libido, lust, concupiscence, hots, horns, arousal, heat, rut, estrus, oestrus, tumescence, erection, hard-on, boner, masturbation, self-gratification, autoeroticism, onanism, self- abuse, orgasm, climax, ejaculation, sexiness, attractiveness, sensuality, voluptuousness, fornication, adultery, sex symbol, sex goddess, stud, hunk, one-night stand, pornography, porn, porno, hardcore pornography, softcore pornography, pin-up, cheesecake, beefcake, Playboy, Esquire, Hustler, perversion, deviation, sexual abnormality, fetish, fetishism, homosexuality, lesbianism, bisexuality, sodomy, buggery, pederasty, sadism, masochism, sado-masochism, incest, sexy, erotic, sexual, carnal, sensual, hot, horny, randy, rutting, passionate, lusty, hot-blooded, libidinous, up, in the mood, homosexual, gay, lesbian, bisexual.

For further exploring for "masculinity" in Webster Dictionary Online