phosphorus vs apatite

phosphorus and apatite both are nouns.

Word	Noun	Adjective	Verb	Adverb
phosphorus	Yes	No	No	No
apatite	Yes	No	No	No

phosphorus (noun)	apatite (noun)
a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms	a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus