Carnal knowledge and Unlawful carnal knowledge

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

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

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