arts vs Etruscology

arts and Etruscology both are nouns.

Word	Noun	Adjective	Verb	Adverb
arts	Yes	No	No	No
Etruscology	Yes	No	No	No

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

arts: studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)
Etruscology: the study of Etruscan civilization, especially its artifacts and language.

arts (noun)	Etruscology (noun)
studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills)	the study of Etruscan civilization, especially its artifacts and language.