Sephardi vs Jew

Sephardi and Jew both are nouns.

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

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

Sephardi: a Jew who is of Spanish or Portuguese or North African descent
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 Sephardi include Hebrew, Israelite.

Sephardi (noun)	Jew (noun)
a Jew who is of Spanish or Portuguese or North African descent	a person belonging to the worldwide group claiming descent from Jacob (or converted to it) and connected by cultural or religious ties