allergic vs susceptible

allergic and susceptible both are adjectives.

Word	Noun	Adjective	Verb	Adverb
allergic	No	Yes	No	No
susceptible	No	Yes	No	No

allergic (adjective)	susceptible (adjective)
characterized by or caused by allergy	(often followed by `of' or `to') yielding readily to or capable of
having an allergy or peculiar or excessive susceptibility (especially to a specific factor)	easily impressed emotionally