Nouns

(n)sexual activity, sexual practice, sex, sex activityactivities associated with sexual intercourse“they had sex in the back seat”
(n)sexeither of the two categories (male or female) into which most organisms are divided“the war between the sexes”
(n)sex, sexual urgeall of the feelings resulting from the urge to gratify sexual impulses“he wanted a better sex life”, “the film contained no sex or violence”
(n)sex, gender, sexualitythe properties that distinguish organisms on the basis of their reproductive roles“she didn't want to know the sex of the foetus”

Verbs

(v)arouse, sex, excite, turn on, wind upto evoke sexual feelings“This movie usually arouses the male audience”
(v)sextell the sex (of young chickens)