Contradiction with 1 Timothy 2:11-12
2 Samuel 14:12 allows a woman to speak, whereas 1 Timothy 2:11-12 instructs women to be silent.
1 Timothy 2:11-12: Let the woman learn in silence with all subjection.
Contradiction with 1 Corinthians 14:34-35
This passage advocates that women should remain silent in churches, unlike 2 Samuel 14:12 where a woman speaks.
1 Corinthians 14:34-35: Let your women keep silence in the churches: for it is not permitted unto them to speak; but [they are commanded] to be under obedience, as also saith the law.