Dearest and Kept woman

Dearest noun - A beloved person; used as terms of endearment.

Kept woman and dearest are semantically related. In some cases you can use "Kept woman" instead a noun "Dearest".

Kept woman noun - An adulterous woman; a woman who has an ongoing extramarital sexual relationship with a man.

Dearest and kept woman are semantically related. Sometimes you can use "Dearest" instead a noun phrase "Kept woman".