Contradiction with Proverbs 22:1
A good name is chosen rather than great riches, whereas Genesis 35:18 involves the mother choosing a difficult name for her son.
Proverbs 22:1: A [good] name [is] rather to be chosen than great riches, [and] loving favour rather than silver and gold. [loving...: or, favour is better than, etc]
Contradiction with Ecclesiastes 7:1
A good name is better than precious ointment, yet Genesis 35:18 involves a mother choosing a sorrowful name for her newborn.
Ecclesiastes 7:1: A good name [is] better than precious ointment; and the day of death than the day of one's birth.
Contradiction with Ruth 1:20
Naomi changes her name due to bitterness, which contrasts the immediate acceptance of a sorrowful name given in Genesis 35:18.
Ruth 1:20: And she said unto them, Call me not Naomi, call me Mara: for the Almighty hath dealt very bitterly with me. [Naomi: that is, Pleasant] [Mara: that is, Bitter]