theologiser vs theologise

theologiser is a noun but theologise is not a noun.

Word	Noun	Adjective	Verb	Adverb
theologiser	Yes	No	No	No
theologise	No	No	Yes	No

theologiser (noun)	theologise (noun)
someone who is learned in theology or who speculates about theology

theologiser (verb)	theologise (verb)
	make theoretical speculations about theology or discuss theological subjects
	treat from a theological viewpoint or render theological in character