Byrd vs Richard Evelyn Byrd

Byrd and Richard Evelyn Byrd both are nouns.

Word	Noun	Adjective	Verb	Adverb
Byrd	Yes	No	No	No
Richard Evelyn Byrd	Yes	No	No	No

As nouns, Byrd and Richard Evelyn Byrd are synonyms defined as:

Byrd and Richard Evelyn Byrd: explorer and United States naval officer; led expeditions to explore Antarctica (1888-1957)

Other synonyms of Byrd include Admiral Byrd, Richard E. Byrd.

Byrd (noun)	Richard Evelyn Byrd (noun)
explorer and United States naval officer; led expeditions to explore Antarctica (1888-1957)	explorer and United States naval officer; led expeditions to explore Antarctica (1888-1957)
English organist and composer of church music; master of 16th century polyphony; was granted a monopoly in music printing with Thomas Tallis (1543-1623)