collimate vs alter

collimate and alter both are verbs.

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

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

Other hypernyms of collimate include change, modify.

collimate (verb)	alter (verb)
adjust the line of sight of (an optical instrument)	remove the ovaries of
make or place parallel to something	become different in some particular way, without permanently losing one's or its former characteristics or essence
	cause to change; make different; cause a transformation
	insert words into texts, often falsifying it thereby
	make an alteration to