Edward Antony Richard Louis vs Prince Edward

Edward Antony Richard Louis and Prince Edward both are nouns.

Word	Noun	Adjective	Verb	Adverb
Edward Antony Richard Louis	Yes	No	No	No
Prince Edward	Yes	No	No	No

As nouns, Edward Antony Richard Louis and Prince Edward are synonyms defined as:

Edward Antony Richard Louis and Prince Edward: third son of Elizabeth II (born in 1964)

Other synonyms of Edward Antony Richard Louis include Edward.

Edward Antony Richard Louis (noun)	Prince Edward (noun)
third son of Elizabeth II (born in 1964)	third son of Elizabeth II (born in 1964)