Verses with the word deceit in the New Testament (5 verses):

Mark 7:22
Thefts, covetousness, wickedness, deceit, lasciviousness, an evil eye, blasphemy, pride, foolishness:

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

Romans 3:13
Their throat is an open sepulchre; with their tongues they have used deceit; the poison of asps is under their lips:

Colossians 2:8
Beware lest any man spoil you through philosophy and vain deceit, after the tradition of men, after the rudiments of the world, and not after Christ.

1 Thessalonians 2:3
For our exhortation was not of deceit, nor of uncleanness, nor in guile: