Contradiction with Psalms 10:7
This verse speaks about the mouth being full of cursing and deceit, which contradicts Psalms 19:14's focus on words being acceptable in God's sight.
Psalms 10:7: His mouth is full of cursing and deceit and fraud: under his tongue [is] mischief and vanity. [deceit: Heb. deceits] [vanity: or, iniquity]
Contradiction with Proverbs 10:31
This verse mentions the froward tongue being cut out, indicating speech that is not acceptable, contrasting with the pure words desired in Psalms 19:14.
Proverbs 10:31: The mouth of the just bringeth forth wisdom: but the froward tongue shall be cut out.
Contradiction with Matthew 15:11
This verse states that what comes out of the mouth defiles a person, rather than being acceptable and pleasing as in Psalms 19:14.
Matthew 15:11: Not that which goeth into the mouth defileth a man; but that which cometh out of the mouth, this defileth a man.
Contradiction with Romans 3:14
This verse mentions how mouths are full of cursing and bitterness, which contradicts the plea for acceptable words in Psalms 19:14.
Romans 3:14: Whose mouth [is] full of cursing and bitterness:
Contradiction with James 3:8
This verse claims the tongue is unruly and full of deadly poison, opposing the idea of the tongue speaking acceptable words as in Psalms 19:14.
James 3:8: But the tongue can no man tame; [it is] an unruly evil, full of deadly poison.