extremum vs limitation

extremum and limitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
extremum	Yes	No	No	No
limitation	Yes	No	No	No

As nouns, limitation is a hypernym of extremum; that is, limitation is a word with a broader meaning than extremum:

Other hypernyms of extremum include limit.

extremum (noun)	limitation (noun)
the point located farthest from the middle of something	an act of limiting or restricting (as by regulation)
the most extreme possible amount or value	the quality of being limited or restricted
	a principle that limits the extent of something
	the greatest amount of something that is possible or allowed
	(law) a time period after which suits cannot be brought