limit vs restrict

limit is a noun but restrict is not a noun.

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

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

Other hyponyms of limit include hold down, keep down, number, cap, curb, curtail, cut back.

As verbs, limit and restrict are synonyms defined as:

Other synonyms of limit include bound, confine, throttle, trammel.

limit (noun)	restrict (noun)
the greatest possible degree of something
the boundary of a specific area
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

limit (verb)	restrict (verb)
restrict or confine within limits	place limits on (extent or amount or access)
place limits on (extent or amount or access)	place restrictions on
decide upon or fix definitely	place under restrictions; limit access to by law
	prevent (information) from being circulated or disclosed