Levite vs Jew

Levite and Jew both are nouns.

Word	Noun	Adjective	Verb	Adverb
Levite	Yes	No	No	No
Jew	Yes	No	No	No

As nouns, Jew is a hypernym of Levite; that is, Jew is a word with a broader meaning than Levite:

Levite: a member of the Hebrew tribe of Levi (especially the branch that provided male assistants to the temple priests)
Jew: a person belonging to the worldwide group claiming descent from Jacob (or converted to it) and connected by cultural or religious ties

Other hypernyms of Levite include Hebrew, Israelite.

Levite (noun)	Jew (noun)
a member of the Hebrew tribe of Levi (especially the branch that provided male assistants to the temple priests)	a person belonging to the worldwide group claiming descent from Jacob (or converted to it) and connected by cultural or religious ties