effeminize vs alter

effeminize and alter both are verbs.

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

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

effeminize: to give a (more) feminine, effeminate, or womanly quality or appearance to
alter: cause to change; make different; cause a transformation

Other hypernyms of effeminize include change, modify.

effeminize (verb)	alter (verb)
to give a (more) feminine, effeminate, or womanly quality or appearance to	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