legal proceeding vs proceedings

legal proceeding and proceedings both are nouns.

Word	Noun	Adjective	Verb	Adverb
legal proceeding	Yes	No	No	No
proceedings	Yes	No	No	No

As nouns, legal proceeding and proceedings are synonyms defined as:

legal proceeding and proceedings: (law) the institution of a sequence of steps by which legal judgments are invoked

Other synonyms of legal proceeding include proceeding.

legal proceeding (noun)	proceedings (noun)
(law) the institution of a sequence of steps by which legal judgments are invoked	(law) the institution of a sequence of steps by which legal judgments are invoked
	a written account of what transpired at a meeting