average vs come

average and come both are nouns.

Word	Noun	Adjective	Verb	Adverb
average	Yes	Yes	Yes	No
come	Yes	No	Yes	No

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

Other hypernyms of average include add up, amount, number, total.

average (noun)	come (noun)
a statistic describing the location of a distribution	the thick white fluid containing spermatozoa that is ejaculated by the male genital tract
an intermediate scale value regarded as normal or usual
(sports) the ratio of successful performances to opportunities

average (adjective)	come (adjective)
lacking special distinction, rank, or status; commonly encountered
around the middle of a scale of evaluation
lacking exceptional quality or ability
relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values)
approximating the statistical norm or average or expected value
relating to or constituting the most frequent value in a distribution

average (verb)	come (verb)
compute the average of	come to pass; arrive, as in due course
achieve or reach on average	be found or available
amount to or come to an average, without loss or gain	reach or enter a state, relation, condition, use, or position
	happen as a result
	have a certain priority
	come to one's mind; suggest itself
	move toward, travel toward something or somebody or approach something or somebody
	be received
	cover a certain distance
	reach a destination; arrive by movement or progress
	experience orgasm
	come under, be classified or included
	proceed or get along
	extend or reach
	to be the product or result
	exist or occur in a certain point in a series
	be a native of
	to measure up to in kind or quality
	add up in number or quantity
	come forth
	come from; be connected by a relationship of blood, for example