judging vs prejudgment

judging and prejudgment both are nouns.

Word	Noun	Adjective	Verb	Adverb
judging	Yes	No	No	No
prejudgment	Yes	No	No	No

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

judging: the cognitive process of reaching a decision or drawing conclusions
prejudgment: a judgment reached before the evidence is available

Other hyponyms of judging include prejudgement.

judging (noun)	prejudgment (noun)
the cognitive process of reaching a decision or drawing conclusions	a judgment reached before the evidence is available