clarify vs alter

clarify and alter both are verbs.

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

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

Other hypernyms of clarify include change, modify.

clarify (verb)	alter (verb)
make clear by removing impurities or solids, as by heating	remove the ovaries of
make clear and (more) comprehensible	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