natural philosophy vs polarise

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

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

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

natural philosophy (verb)	polarise (verb)
	become polarized in a conflict or contrasting situation
	cause to concentrate about two conflicting or contrasting positions
	cause to vibrate in a definite pattern