alter vs desex

alter and desex both are verbs.

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

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

Other hypernyms of alter include desexualise, desexualize, fix, sterilise, sterilize, unsex.

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