mingle vs alter

mingle and alter both are verbs.

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

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

Other hypernyms of mingle include change, modify.

mingle (verb)	alter (verb)
to bring or combine together or with something else	remove the ovaries of
get involved or mixed-up with	become different in some particular way, without permanently losing one's or its former characteristics or essence
be all mixed up or jumbled together	cause to change; make different; cause a transformation
	insert words into texts, often falsifying it thereby
	make an alteration to