Kelly vs Grace Patricia Kelly

Kelly and Grace Patricia Kelly both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kelly	Yes	No	No	No
Grace Patricia Kelly	Yes	No	No	No

As nouns, Kelly and Grace Patricia Kelly are synonyms defined as:

Kelly and Grace Patricia Kelly: United States film actress who retired when she married into the royal family of Monaco (1928-1982)

Other synonyms of Kelly include Grace Kelly, Princess Grace of Monaco.

Kelly (noun)	Grace Patricia Kelly (noun)
United States dancer who performed in many musical films (1912-1996)	United States film actress who retired when she married into the royal family of Monaco (1928-1982)
United States film actress who retired when she married into the royal family of Monaco (1928-1982)
United States circus clown (1898-1979)