sensitive vs irritable

sensitive is a noun but irritable is not a noun.

Word	Noun	Adjective	Verb	Adverb
sensitive	Yes	Yes	No	No
irritable	No	Yes	No	No

sensitive (noun)	irritable (noun)
someone who serves as an intermediary between the living and the dead

sensitive (adjective)	irritable (adjective)
responsive to physical stimuli	easily irritated or annoyed
being susceptible to the attitudes, feelings, or circumstances of others	capable of responding to stimuli
able to feel or perceive	abnormally sensitive to a stimulus
of or pertaining to classified information or matters affecting national security
hurting