Nouns

(n)sin, sinfulness, wickednessestrangement from god
(n)sin, sinningan act that is regarded by theologians as a transgression of God's will
(n)sine, sinratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
(n)sinthe 21st letter of the Hebrew alphabet

Verbs

(v)sin, transgress, trespasscommit a sin; violate a law of God or a moral law
(v)drop the ball, sin, blunder, boob, goofcommit a faux pas or a fault or make a serious mistake“I blundered during the job interview”