sin vs blunder

sin and blunder both are nouns.

Word	Noun	Adjective	Verb	Adverb
sin	Yes	No	Yes	No
blunder	Yes	No	Yes	No

As verbs, sin and blunder are synonyms defined as:

Other synonyms of sin include boob, drop the ball, goof.

sin (noun)	blunder (noun)
an act that is regarded by theologians as a transgression of God's will	an embarrassing mistake
estrangement from god
the 21st letter of the Hebrew alphabet
ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle

sin (verb)	blunder (verb)
commit a sin; violate a law of God or a moral law	utter impulsively
commit a faux pas or a fault or make a serious mistake	make one's way clumsily or blindly
	commit a faux pas or a fault or make a serious mistake