maximum vs limit

maximum and limit both are nouns.

Word	Noun	Adjective	Verb	Adverb
maximum	Yes	Yes	No	No
limit	Yes	No	Yes	No

As nouns, limit is a hypernym of maximum; that is, limit is a word with a broader meaning than maximum:

Other hypernyms of maximum include bound, boundary.

As nouns, limit is a hypernym of maximum; that is, limit is a word with a broader meaning than maximum:

maximum: the point on a curve where the tangent changes from positive on the left to negative on the right
limit: as far as something can go

maximum (noun)	limit (noun)
the greatest possible degree	the greatest possible degree of something
the point on a curve where the tangent changes from positive on the left to negative on the right	the boundary of a specific area
the largest possible quantity	as far as something can go
	the greatest amount of something that is possible or allowed
	the mathematical value toward which a function goes as the independent variable approaches infinity
	final or latest limiting point

maximum (adjective)	limit (adjective)
the greatest or most complete or best possible

maximum (verb)	limit (verb)
	restrict or confine within limits
	place limits on (extent or amount or access)
	decide upon or fix definitely