oil vs atomic number 6

oil and atomic number 6 both are nouns.

Word	Noun	Adjective	Verb	Adverb
oil	Yes	No	Yes	No
atomic number 6	Yes	No	No	No

oil (noun)	atomic number 6 (noun)
oil paint containing pigment that is used by an artist	an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
any of a group of liquid edible fats that are obtained from plants
a slippery or viscous liquid or liquefiable substance not miscible with water
a dark oil consisting mainly of hydrocarbons

oil (verb)	atomic number 6 (verb)
administer an oil or ointment to; often in a religious ceremony of blessing
cover with oil, as if by rubbing