average out vs add up

average out and add up both are verbs.

Word	Noun	Adjective	Verb	Adverb
average out	No	No	Yes	No
add up	No	No	Yes	No

As verbs, add up is a hypernym of average out; that is, add up is a word with a broader meaning than average out:

Other hypernyms of average out include amount, come, number, total.

average out (verb)	add up (verb)
compute the average of	determine the sum of
amount to or come to an average, without loss or gain	be reasonable or logical or comprehensible
	to measure up to in kind or quality
	add up in number or quantity