unionized vs nonionized

unionized and nonionized both are adjectives.

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

As adjectives, unionized and nonionized are synonyms defined as:

Other synonyms of unionized include nonionic, nonionised, unionised.

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