chemistry vs group

chemistry and group both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemistry	Yes	No	No	No
group	Yes	No	Yes	No

chemistry (noun)	group (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	any number of entities (members) considered as a unit
the way two individuals relate to each other	a set that is closed, associative, has an identity element and every element has an inverse
the chemical composition and properties of a substance or object	(chemistry) two or more atoms bound together as a single unit and forming part of a molecule

chemistry (verb)	group (verb)
	arrange into a group or groups
	form a group or group together