When a man has sexual relations with a woman and there is an emission of semen, both of them must bathe with water, and they will be unclean till evening.
NIV
The woman also with whom a man with emission of semen shall lie, they shall both bathe themselves in water, and be unclean until evening.
AMP
The woman also with whom man shall lie with seed of copulation, they shall both bathe themselves in water, and be unclean until the even.
KJV
But Onan knew that the child would not be his; so whenever he slept with his brother's wife, he spilled his semen on the ground to keep from providing offspring for his brother.
NIV
But Onan knew that the family would not be his, so when he cohabited with his brother's widow, he prevented conception, lest he should raise up a child for his brother.
AMP
And Onan knew that the seed should not be his; and it came to pass, when he went in unto his brother's wife, that he spilled it on the ground, lest that he should give seed to his brother.
KJV
"If a descendant of Aaron has a defiling skin disease or a bodily discharge, he may not eat the sacred offerings until he is cleansed. He will also be unclean if he touches something defiled by a corpse or by anyone who has an emission of semen,"
NIV
No man of the offspring of Aaron who is a leper or has a discharge shall eat of the holy things [the offerings and the showbread] until he is clean. And whoever touches any person or thing made unclean by contact with a corpse or a man who has had a discharge of semen
AMP
What man soever of the seed of Aaron is a leper, or hath a running issue; he shall not eat of the holy things, until he be clean. And whoso toucheth any thing that is unclean by the dead, or a man whose seed goeth from him;
KJV