Cross reference
Romans 3:14
14 Whose mouth is full of cursing and bitterness:
Psalms 10:7
7 His mouth is full of cursing and deceit and oppression: Under his tongue is mischief and iniquity.
Psalms 59:12
12 `For' the sin of their mouth, `and' the words of their lips, Let them even be taken in their pride, And for cursing and lying which they speak.
Psalms 109:17-18
17 Yea, he loved cursing, and it came unto him; And he delighted not in blessing, and it was far from him.
18 He clothed himself also with cursing as with his garment, And it came into his inward parts like water, And like oil into his bones.
James 3:10
10 out of the same mouth cometh forth blessing and cursing. My brethren, these things ought not so to be.