nonionized vs unionised

nonionized and unionised both are adjectives.

Word	Noun	Adjective	Verb	Adverb
nonionized	No	Yes	No	No
unionised	No	Yes	No	No

As adjectives, nonionized and unionised are synonyms defined as:

Other synonyms of nonionized include nonionic, nonionised, unionized.

nonionized (adjective)	unionised (adjective)
not converted into ions	not converted into ions
	being a member of or formed into a labor union