nonionized vs nonionised

nonionized and nonionised both are adjectives.

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

As adjectives, nonionized and nonionised are synonyms defined as:

Other synonyms of nonionized include nonionic, unionised, unionized.

nonionized (adjective)	nonionised (adjective)
not converted into ions	not converted into ions