res judicata vs matter

res judicata and matter both are nouns.

Word	Noun	Adjective	Verb	Adverb
res judicata	Yes	No	No	No
matter	Yes	No	Yes	No

As nouns, matter is a hypernym of res judicata; that is, matter is a word with a broader meaning than res judicata:

Other hypernyms of res judicata include issue, subject, topic.

res judicata (noun)	matter (noun)
a matter already settled in court; cannot be raised again	that which has mass and occupies space
	(used with negation) having consequence
	some situation or event that is thought about
	a vaguely specified concern
	a problem
	written works (especially in books or magazines)

res judicata (verb)	matter (verb)
	have weight; have import, carry weight