several vs individual

several is not a noun while individual is a noun.

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

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

several (adjective)	individual (adjective)
distinct and individual	being or characteristic of a single thing or person
considered individually	separate and distinct from others of the same kind
(used with count nouns) of an indefinite number more than 2 or 3 but not many	concerning one person exclusively
	characteristic of or meant for a single person or thing