radical vs chemical science

radical and chemical science both are nouns.

Word	Noun	Adjective	Verb	Adverb
radical	Yes	Yes	No	No
chemical science	Yes	No	No	No

radical (noun)	chemical science (noun)
a character conveying the lexical meaning of a logogram	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
(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

radical (adjective)	chemical science (adjective)
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
of or relating to or constituting a linguistic root
arising from or going to the root or source
(used of opinions and actions) far beyond the norm
markedly new or introducing radical change