desexualise vs alter

desexualise and alter both are verbs.

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

As verbs, alter is a hyponym of desexualise; that is, alter is a word with a more specific, narrower meaning than desexualise:

desexualise (verb)	alter (verb)
make infertile	remove the ovaries of
direct one's libidinous urges into another direction	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