Sexual congress and Sexual activity

Sexual congress noun - The act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur.

Sexual activity and sexual congress are semantically related. In some cases you can use "Sexual activity" instead a noun phrase "Sexual congress".

Sexual activity noun - Activities associated with sexual intercourse.

Sexual congress and sexual activity are semantically related. Sometimes you can replace phrase "Sexual congress" with "Sexual activity", this phrases are similar.