Contradiction with Proverbs 12:25
While Psalms 41:6 discusses enemies speaking vainly, Proverbs 12:25 speaks of giving a good word which maketh the heart glad.
Proverbs 12:25: Heaviness in the heart of man maketh it stoop: but a good word maketh it glad.
Contradiction with Proverbs 15:23
Psalms 41:6 implies deceit in speech, whereas Proverbs 15:23 highlights the joy of having a word spoken in due season.
Proverbs 15:23: A man hath joy by the answer of his mouth: and a word [spoken] in due season, how good [is it]! [due...: Heb. his season]
Contradiction with Ephesians 4:29
Ephesians 4:29 advocates for no corrupt communication, promoting edification, which contrasts with malicious intent described in Psalms 41:6.
Ephesians 4:29: Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers. [to...: or, to edify profitably]
Contradiction with Colossians 4:6
Psalms 41:6 shows negative speech motives, but Colossians 4:6 encourages speech always being with grace.
Colossians 4:6: Let your speech [be] alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.
Contradiction with Proverbs 16:24
Contradicts the harmful speech in Psalms 41:6 by stating that pleasant words are as an honeycomb, sweet to the soul, and health to the bones.
Proverbs 16:24: Pleasant words [are as] an honeycomb, sweet to the soul, and health to the bones.
Contradiction with James 3:10
While Psalms 41:6 reflects insincere intentions, James 3:10 argues for consistency and blessings in speech.
James 3:10: Out of the same mouth proceedeth blessing and cursing. My brethren, these things ought not so to be.
Contradiction with Ephesians 4:15
Whereas Psalms 41:6 highlights harmful intents of speech, Ephesians 4:15 emphasizes speaking the truth in love.
Ephesians 4:15: But speaking the truth in love, may grow up into him in all things, which is the head, [even] Christ: [speaking...: or, being sincere]