individual vs respective

individual is a noun but respective is not a noun.

Word	Noun	Adjective	Verb	Adverb
individual	Yes	Yes	No	No
respective	No	Yes	No	No

individual (noun)	respective (noun)
a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential
a single organism

individual (adjective)	respective (adjective)
being or characteristic of a single thing or person	considered individually
separate and distinct from others of the same kind
concerning one person exclusively
characteristic of or meant for a single person or thing