judge vs umpire

judge and umpire both are nouns.

Word	Noun	Adjective	Verb	Adverb
judge	Yes	No	Yes	No
umpire	Yes	No	Yes	No

As nouns, umpire is a hyponym of judge; that is, umpire is a word with a more specific, narrower meaning than judge:

Other hyponyms of judge include appraiser, valuator, arbiter, arbitrator, critic.

As verbs, umpire is a hyponym of judge; that is, umpire is a word with a more specific, narrower meaning than judge:

Other hyponyms of judge include referee.

judge (noun)	umpire (noun)
a public official authorized to decide questions brought before a court of justice	an official at a baseball game
an authority who is able to estimate worth or quality	someone chosen to judge and decide a disputed issue

judge (verb)	umpire (verb)
form a critical opinion of	be a referee or umpire in a sports competition
judge tentatively or form an estimate of (quantities or time)
determine the result of (a competition)
pronounce judgment on
put on trial or hear a case and sit as the judge at the trial of