Sexual intercourse

There are no neutral terms in the Russian language referring to sexual intercourse, only technical and vulgar terms. Sometimes euphemisms are used in literature and, less commonly, in spoken Russian.
половћй ђкт Technical sexual intercourse
половђя жќзнь Technical;
половІе сношљния Technical;
половће общљние Technical
sexual relations; sex life
половћй партнёр Technical sexual partner
совершђть/совершќть половћй ђктa Technical to have sexual intercourse
находќться [no Pf.] в половћй свїзиp Technical;
состоїть [no Pf.] в половћй свїзиp Technical
to have sexual relations
спђть/переспђть [Pf-once] с Ni Euphemistic, most commonly used;
жќть [no Pf.] с Ni Euphemistic
to sleep with N, to make love to N
— Кђк тІ дџмаешь, онђ спќт (or живёт) с нќм?
— Нџ, мћжет переспалђ рЃз-дрџгой.
"So what do you think? Is she sleeping with him?"
"Well, maybe she has once or twice."
совокуплїться Formal, Disparaging;
сношђться [no Pf.] Vulgar;
to copulate, to fornicate
предавђться [no Pf.] любвќd Euphemistic, Ironical;
занимђться [no Pf.] любћвьюi Euphemistic
to make love
NB The synonyms below are extremely vulgar, and are not used in neutral style.
ебђться/поебђться [Pf-awhile] с Ni Taboo;
барђться/побарђться [Pf-awhile] с Ni Vulgar;
трђхаться/трђхнуться [Pf-once] Highly colloquial
to fuck N, to screw N
ебђть/вІебђть Na Taboo;
барђть [no Pf.] Na Vulgar;
трђхать/трђхнуть [Pf-once] Na Highly colloquial
to fuck N, to screw N (normally used with the male partner as the subject of the clause)