judge vs lowball

judge is a noun but lowball is not a noun.

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

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

judge (noun)	lowball (noun)
a public official authorized to decide questions brought before a court of justice
an authority who is able to estimate worth or quality

judge (verb)	lowball (verb)
form a critical opinion of	make a deliberately low estimate
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