transubstantiate vs alter

transubstantiate and alter both are verbs.

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

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

Other hypernyms of transubstantiate include change, modify.

transubstantiate (verb)	alter (verb)
change or alter in form, appearance, or nature	remove the ovaries of
change (the Eucharist bread and wine) into the body and blood of Christ	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