quantal vs natural philosophy

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

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

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

quantal (adjective)	natural philosophy (adjective)
of or relating to a quantum or capable of existing in only one of two states