amount vs increment

amount and increment both are nouns.

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

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

amount (noun)	increment (noun)
how much there is or how many there are of something that you can quantify	the amount by which something increases
the relative magnitude of something with reference to a criterion	a process of becoming larger or longer or more numerous or more important
a quantity obtained by the addition of a group of numbers
a quantity of money

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