monad vs biology

monad and biology both are nouns.

Word	Noun	Adjective	Verb	Adverb
monad	Yes	No	No	No
biology	Yes	No	No	No

monad (noun)	biology (noun)
(biology) a single-celled microorganism (especially a flagellate protozoan)	the science that studies living organisms
a singular metaphysical entity from which material properties are said to derive	all the plant and animal life of a particular region
(chemistry) an atom having a valence of one	characteristic life processes and phenomena of living organisms