Verses with the word maliciousness in the New Testament (2 verses):

Romans 1:29
Being filled with all unrighteousness, fornication, wickedness, covetousness, maliciousness; full of envy, murder, debate, deceit, malignity; whisperers,

1 Peter 2:16
As free, and not using your liberty for a cloke of maliciousness, but as the servants of God.