litigant vs appellant

litigant and appellant both are nouns.

Word	Noun	Adjective	Verb	Adverb
litigant	Yes	No	No	No
appellant	Yes	Yes	No	No

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

Other hyponyms of litigant include defendant, suspect, plaintiff in error, filer, complainant, plaintiff, prevailing party.

litigant (noun)	appellant (noun)
(law) a party to a lawsuit; someone involved in litigation	the party who appeals a decision of a lower court

litigant (adjective)	appellant (adjective)
	of or relating to or taking account of appeals (usually legal appeals)