desex vs alter

desex and alter both are verbs.

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

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

desex (verb)	alter (verb)
make infertile	remove the ovaries of
	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