solidify vs natural philosophy

solidify is not a noun while natural philosophy is a noun.

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

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

solidify (verb)	natural philosophy (verb)
become solid
make solid or more solid; cause to solidify