demulsify vs alter

demulsify and alter both are verbs.

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

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

Other hypernyms of demulsify include change, modify.

demulsify (verb)	alter (verb)
break down into components	remove the ovaries of
cause to demulsify	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