Sexual congress and Unlawful carnal knowledge

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.

Unlawful carnal knowledge and sexual congress are semantically related. In some cases you can replace phrase "Unlawful carnal knowledge" with "Sexual congress", this phrases are similar.

Unlawful carnal knowledge noun - Forbidden or tabu sexual intercourse between individuals.

Sexual congress and unlawful carnal knowledge are semantically related. You can use "Sexual congress" instead a noun phrase "Unlawful carnal knowledge".