tetragen vs Sn

tetragen and Sn both are nouns.

Word	Noun	Adjective	Verb	Adverb
tetragen	Yes	No	No	No
Sn	Yes	No	No	No

As nouns, Sn is a hyponym of tetragen; that is, Sn is a word with a more specific, narrower meaning than tetragen:

tetragen: any chemical element that belongs to the carbon group.
Sn: a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide

Other hyponyms of tetragen include atomic number 82, lead, Pb, atomic number 50, tin, Fl, flerovium.

tetragen (noun)	Sn (noun)
any chemical element that belongs to the carbon group.	a silvery malleable metallic element that resists corrosion; used in many alloys and to coat other metals to prevent corrosion; obtained chiefly from cassiterite where it occurs as tin oxide