mark off vs limit

mark off is not a noun while limit is a noun.

Word	Noun	Adjective	Verb	Adverb
mark off	No	No	Yes	No
limit	Yes	No	Yes	No

As verbs, limit is a hypernym of mark off; that is, limit is a word with a broader meaning than mark off:

Other hypernyms of mark off include bound, confine, restrict, throttle, trammel.

mark off (noun)	limit (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

mark off (verb)	limit (verb)
set boundaries to and delimit	restrict or confine within limits
put a check mark on or near or next to	place limits on (extent or amount or access)
	decide upon or fix definitely