Shepard vs Alan Shepard

Shepard and Alan Shepard both are nouns.

Word	Noun	Adjective	Verb	Adverb
Shepard	Yes	No	No	No
Alan Shepard	Yes	No	No	No

As nouns, Shepard and Alan Shepard are synonyms defined as:

Shepard and Alan Shepard: astronaut who made the first United States' suborbital rocket-powered flight in 1961 (1923-1998)

Other synonyms of Shepard include Alan Bartlett Shepard Jr..

Shepard (noun)	Alan Shepard (noun)
astronaut who made the first United States' suborbital rocket-powered flight in 1961 (1923-1998)	astronaut who made the first United States' suborbital rocket-powered flight in 1961 (1923-1998)
United States author of surrealistic allegorical plays (born in 1943)