unresistant vs nonimmune

unresistant and nonimmune both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unresistant	No	Yes	No	No
nonimmune	No	Yes	No	No

As adjectives, unresistant and nonimmune are synonyms defined as:

unresistant and nonimmune: (often followed by `to') likely to be affected with

Other synonyms of unresistant include liable, nonresistant.

unresistant (adjective)	nonimmune (adjective)
(often followed by `to') likely to be affected with	(often followed by `to') likely to be affected with