actinide series vs chemistry

actinide series and chemistry both are nouns.

Word	Noun	Adjective	Verb	Adverb
actinide series	Yes	No	No	No
chemistry	Yes	No	No	No

actinide series (noun)	chemistry (noun)
(chemistry) a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium	the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
	the way two individuals relate to each other
	the chemical composition and properties of a substance or object