idolatress vs idolizer

idolatress and idolizer both are nouns.

Word	Noun	Adjective	Verb	Adverb
idolatress	Yes	No	No	No
idolizer	Yes	No	No	No

As nouns, idolizer is a hypernym of idolatress; that is, idolizer is a word with a broader meaning than idolatress:

Other hypernyms of idolatress include idol worshiper, idolater, idoliser.

idolatress (noun)	idolizer (noun)
a woman idolater	a person who worships idols
	a lover blind with admiration and devotion