individual vs radical

individual and radical both are nouns.

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

individual (noun)	radical (noun)
a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential	a character conveying the lexical meaning of a logogram
a single organism	(linguistics) the form of a word after all affixes are removed
	a person who has radical ideas or opinions
	(mathematics) a quantity expressed as the root of another quantity
	(chemistry) two or more atoms bound together as a single unit and forming part of a molecule
	an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule that has lost an electron and will stabilize itself by stealing an electron from a nearby molecule

individual (adjective)	radical (adjective)
being or characteristic of a single thing or person	especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem
separate and distinct from others of the same kind	of or relating to or constituting a linguistic root
concerning one person exclusively	arising from or going to the root or source
characteristic of or meant for a single person or thing	(used of opinions and actions) far beyond the norm
	markedly new or introducing radical change