terminate vs alter

terminate and alter both are verbs.

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

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

Other hypernyms of terminate include change, modify.

terminate (verb)	alter (verb)
bring to an end or halt	remove the ovaries of
terminate the employment of; discharge from an office or position	become different in some particular way, without permanently losing one's or its former characteristics or essence
have an end, in a temporal, spatial, or quantitative sense; either spatial or metaphorical	cause to change; make different; cause a transformation
be the end of; be the last or concluding part of	insert words into texts, often falsifying it thereby
	make an alteration to