amount vs outnumber

amount is a noun but outnumber is not a noun.

Word	Noun	Adjective	Verb	Adverb
amount	Yes	No	Yes	No
outnumber	No	No	Yes	No

As verbs, outnumber is a hyponym of amount; that is, outnumber is a word with a more specific, narrower meaning than amount:

Other hyponyms of amount include work out, average, average out, make.

amount (noun)	outnumber (noun)
how much there is or how many there are of something that you can quantify
the relative magnitude of something with reference to a criterion
a quantity obtained by the addition of a group of numbers
a quantity of money

amount (verb)	outnumber (verb)
to measure up to in kind or quality	be larger in number
add up in number or quantity
be tantamount or equivalent to