I came across a great site that has many thoughts about this subject, 10 Bible Versus About Gossip. I am including the verses that they cite, but please check out their other cited verses on subjects that affect us all.
Proverbs 11:13- #1 Bible Verses About Gossip- Trustworthy
He who goes about as a talebearer reveals secrets, But he who is trustworthy conceals a matter.
Proverbs 16:28- #2 Bible Verse About Gossip- It separates friends
A perverse man spreads strife, And a slanderer separates intimate friends.
James 4:11- #3 Bible Verse on Gossip- God is the only true judge
Do not speak against one another, brethren. He who speaks against a brother, or judges his brother, speaks against the law, and judges the law; but if you judge the law, you are not a doer of the law, but a judge of it.
Philippians 4:8- #4 Bible Verse about Gossip- Dwell on things worthy of praise
Finally, brethren, whatever is true, whatever is honorable, whatever is right, whatever is pure, whatever is lovely, whatever is of good repute, if there is any excellence and if anything worthy of praise, let your mind dwell on these things.
Ephesians 4:29- #5 Bible Verse About Gossip- Watch what you say
Let no unwholesome word proceed from your mouth, but only such a word as is good for edification according to the need of the moment, that it may give grace to those who hear.
Titus 3:2 - #6 Scripture Verse on Gossip- Be gentle
to malign no one, to be uncontentious, gentle, showing every consideration for all men.
Proverbs 15:1 - #7 Bible Verses about Gossip- Be careful not to stir up anger
A gentle answer turns away wrath, But a harsh word stirs up anger.
1 Timothy 5:13- #8 Gossip Bible Verse- Gossips and Busybodies
Luke 6:31 - #9 Bible Verse on Gossip- The Golden Rule
"And just as you want people to treat you, treat them in the same way.
James 3:5-7 - #10 Bible Verse about Christians and Gossip- Control the tongue
So also the tongue is a small part of the body, and yet it boasts of great things. Behold, how great a forest is set aflame by such a small fire! And the tongue is a fire, the very world of iniquity; the tongue is set among our members as that which defiles the entire body, and sets on fire the course of our life, and is set on fire by hell. For every species of beasts and birds, of reptiles and creatures of the sea, is tamed, and has been tamed by the human race.