Verses with the word serveth in the New Testament (4 verses):

Luke 22:27
For whether is greater, he that sitteth at meat, or he that serveth? is not he that sitteth at meat? but I am among you as he that serveth.

Romans 14:18
For he that in these things serveth Christ is acceptable to God, and approved of men.

1 Corinthians 14:22
Wherefore tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serveth not for them that believe not, but for them which believe.

Galatians 3:19
Wherefore then serveth the law? It was added because of transgressions, till the seed should come to whom the promise was made; and it was ordained by angels in the hand of a mediator.