clay vs atomic number 14

clay and atomic number 14 both are nouns.

Word	Noun	Adjective	Verb	Adverb
clay	Yes	No	No	No
atomic number 14	Yes	No	No	No

clay (noun)	atomic number 14 (noun)
the dead body of a human being	a tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
a very fine-grained soil that is plastic when moist but hard when fired
water soaked soil; soft wet earth