mince vs alter

mince is a noun but alter is not a noun.

Word	Noun	Adjective	Verb	Adverb
mince	Yes	No	Yes	No
alter	No	No	Yes	No

As verbs, alter is a hypernym of mince; that is, alter is a word with a broader meaning than mince:

Other hypernyms of mince include change, modify.

mince (noun)	alter (noun)
food chopped into small bits

mince (verb)	alter (verb)
make less severe or harsh	remove the ovaries of
cut into small pieces	become different in some particular way, without permanently losing one's or its former characteristics or essence
walk daintily	cause to change; make different; cause a transformation
	insert words into texts, often falsifying it thereby
	make an alteration to