J.R.R. Tolkien vs John Ronald Reuel Tolkien

J.R.R. Tolkien and John Ronald Reuel Tolkien both are nouns.

Word	Noun	Adjective	Verb	Adverb
J.R.R. Tolkien	Yes	No	No	No
John Ronald Reuel Tolkien	Yes	No	No	No

As nouns, J.R.R. Tolkien and John Ronald Reuel Tolkien are synonyms defined as:

J.R.R. Tolkien and John Ronald Reuel Tolkien: British philologist and writer of fantasies (born in South Africa) (1892-1973)

Other synonyms of J.R.R. Tolkien include Tolkien.

J.R.R. Tolkien (noun)	John Ronald Reuel Tolkien (noun)
British philologist and writer of fantasies (born in South Africa) (1892-1973)	British philologist and writer of fantasies (born in South Africa) (1892-1973)