nonionized vs unionized

nonionized and unionized both are adjectives.

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

As adjectives, nonionized and unionized are synonyms defined as:

Other synonyms of nonionized include nonionic, nonionised, unionised.

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