Numbers 5:13
and a man sleeps with her and ejaculates and it is hidden from the eyes of her husband and she is concealed, although she is defiled, and there is no witness against her and she was not caught,
Leviticus 18:20
And {you must not have sex} with your fellow citizen's wife, becoming unclean with her.
Leviticus 20:10
" 'As for a man who commits adultery with a man's wife, who commits adultery with his neighbor's wife, [both] the man who commits adultery and the woman who commits adultery shall surely be put to death.
Proverbs 7:18-19
Come, let us take [our] fill of love making, until the morning let us delight in love.
Proverbs 30:20
This is the way of a woman committing adultery: she eats and wipes her mouth, and says "I have not done wrong."