even out vs alter

even out and alter both are verbs.

Word	Noun	Adjective	Verb	Adverb
even out	No	No	Yes	No
alter	No	No	Yes	No

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

Other hypernyms of even out include change, modify.

even out (verb)	alter (verb)
make even or more even	remove the ovaries of
become even or more even	become different in some particular way, without permanently losing one's or its former characteristics or essence
make level or straight	cause to change; make different; cause a transformation
adjust for	insert words into texts, often falsifying it thereby
	make an alteration to