probate court vs tribunal

probate court and tribunal both are nouns.

Word	Noun	Adjective	Verb	Adverb
probate court	Yes	No	No	No
tribunal	Yes	No	No	No

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

probate court: a court having jurisdiction over the probate of wills and the administration of estates
tribunal: an assembly (including one or more judges) to conduct judicial business

Other hypernyms of probate court include court, judicature.

probate court (noun)	tribunal (noun)
a court having jurisdiction over the probate of wills and the administration of estates	an assembly (including one or more judges) to conduct judicial business