Sadducee vs Jew

Sadducee and Jew both are nouns.

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

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

Sadducee: a member of an ancient Jewish sect around the time of Jesus; opposed to the Pharisees
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 Sadducee include Hebrew, Israelite.

Sadducee (noun)	Jew (noun)
a member of an ancient Jewish sect around the time of Jesus; opposed to the Pharisees	a person belonging to the worldwide group claiming descent from Jacob (or converted to it) and connected by cultural or religious ties