opalise vs alter

opalise and alter both are verbs.

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

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

Other hypernyms of opalise include change, modify.

opalise (verb)	alter (verb)
replace or convert into opal	remove the ovaries of
make opalescent	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