Rota vs tribunal

Rota and tribunal both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rota	Yes	No	No	No
tribunal	Yes	No	No	No

As nouns, tribunal is a hypernym of Rota; that is, tribunal is a word with a broader meaning than Rota:

Rota: (Roman Catholic Church) the supreme ecclesiastical tribunal for cases appealed to the Holy See from diocesan courts
tribunal: an assembly (including one or more judges) to conduct judicial business

Other hypernyms of Rota include court, judicature.

Rota (noun)	tribunal (noun)
(Roman Catholic Church) the supreme ecclesiastical tribunal for cases appealed to the Holy See from diocesan courts	an assembly (including one or more judges) to conduct judicial business