Verses with the word killeth in the New Testament (3 verses):

John 16:2
They shall put you out of the synagogues: yea, the time cometh, that whosoever killeth you will think that he doeth God service.

2 Corinthians 3:6
Who also hath made us able ministers of the new testament; not of the letter, but of the spirit: for the letter killeth, but the spirit giveth life.

Revelation 13:10
He that leadeth into captivity shall go into captivity: he that killeth with the sword must be killed with the sword. Here is the patience and the faith of the saints.