enlarge vs instance

enlarge is not a noun while instance is a noun.

Word	Noun	Adjective	Verb	Adverb
enlarge	No	No	Yes	No
instance	Yes	No	Yes	No

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

enlarge: add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
instance: clarify by giving an example of

enlarge (noun)	instance (noun)
	an item of information that is typical of a class or group
	an occurrence of something

enlarge (verb)	instance (verb)
become larger or bigger	clarify by giving an example of
make large
make larger
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing