Sexual congress and Sex 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.

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

Sex activity noun - Activities associated with sexual intercourse.

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