Samuel Pierpont Langley vs Langley

Samuel Pierpont Langley and Langley both are nouns.

Word	Noun	Adjective	Verb	Adverb
Samuel Pierpont Langley	Yes	No	No	No
Langley	Yes	No	No	No

As nouns, Samuel Pierpont Langley and Langley are synonyms defined as:

Samuel Pierpont Langley and Langley: United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)

Other synonyms of Samuel Pierpont Langley include Samuel Pierpoint Langley.

Samuel Pierpont Langley (noun)	Langley (noun)
United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)	United States astronomer and aviation pioneer who invented the bolometer and contributed to the design of early aircraft (1834-1906)