Verses with the word sinneth in the New Testament (6 verses):

1 Corinthians 6:18
Flee fornication. Every sin that a man doeth is without the body; but he that committeth fornication sinneth against his own body.

1 Corinthians 7:36
But if any man think that he behaveth himself uncomely toward his virgin, if she pass the flower of her age, and need so require, let him do what he will, he sinneth not: let them marry.

Titus 3:11
Knowing that he that is such is subverted, and sinneth, being condemned of himself.

1 John 3:6
Whosoever abideth in him sinneth not: whosoever sinneth hath not seen him, neither known him.

1 John 3:8
He that committeth sin is of the devil; for the devil sinneth from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the devil.

1 John 5:18
We know that whosoever is born of God sinneth not; but he that is begotten of God keepeth himself, and that wicked one toucheth him not.