Psalm 38:19-20

Many have become my enemies without cause; those who hate me without reason are numerous. Those who repay my good with evil lodge accusations against me, though I seek only to do what is good. 

Many have become my enemies without cause 
Psalm 18:17  He rescued me from my powerful enemy, from my foes, who were too strong for me.
Psalm 18:47-48  He is the God who avenges me, who subdues nations under me, who saves me from my enemies. You exalted me above my foes; from a violent man you rescued me.
Psalm 59:1  Deliver me from my enemies, O God; be my fortress against those who are attacking me.
Psalm 143:9  Rescue me from my enemies, LORD, for I hide myself in you.

those who hate me 
Psalm 25:19  See how numerous are my enemies and how fiercely they hate me!

without reason 
Psalm 35:19  Do not let those gloat over me who are my enemies without cause; do not let those who hate me without reason maliciously wink the eye.

Those who repay my good with evil 
Genesis 44:4  They had not gone far from the city when Joseph said to his steward, "Go after those men at once, and when you catch up with them, say to them, 'Why have you repaid good with evil?' "
1 John 3:12  Do not be like Cain, who belonged to the evil one and murdered his brother. And why did he murder him? Because his own actions were evil and his brother's were righteous.

lodge accusations against me 
Psalm 54:5  Let evil recoil on those who slander me; in your faithfulness destroy them.
Psalm 59:9-10  You are my strength, I watch for you; you, God, are my fortress, my God on whom I can rely. God will go before me and will let me gloat over those who slander me.
Psalm 119:23  Though rulers sit together and slander me, your servant will meditate on your decrees.

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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