Clarence Day vs Clarence Shepard Day Jr.

Clarence Day and Clarence Shepard Day Jr. both are nouns.

Word	Noun	Adjective	Verb	Adverb
Clarence Day	Yes	No	No	No
Clarence Shepard Day Jr.	Yes	No	No	No

As nouns, Clarence Day and Clarence Shepard Day Jr. are synonyms defined as:

Clarence Day and Clarence Shepard Day Jr.: United States writer best known for his autobiographical works (1874-1935)

Other synonyms of Clarence Day include Day.

Clarence Day (noun)	Clarence Shepard Day Jr. (noun)
United States writer best known for his autobiographical works (1874-1935)	United States writer best known for his autobiographical works (1874-1935)