natural philosophy vs activated

natural philosophy is a noun but activated is not a noun.

Word	Noun	Adjective	Verb	Adverb
natural philosophy	Yes	No	No	No
activated	No	Yes	No	No

natural philosophy (noun)	activated (noun)
the science of matter and energy and their interactions

natural philosophy (adjective)	activated (adjective)
	rendered active; e.g. rendered radioactive or luminescent or photosensitive or conductive
	(military) set up and placed on active assignment
	(of e.g. a molecule) made reactive or more reactive
	(of sewage) treated with aeration and bacteria to aid decomposition