Calvin Coolidge vs Coolidge

Calvin Coolidge and Coolidge both are nouns.

Word	Noun	Adjective	Verb	Adverb
Calvin Coolidge	Yes	No	No	No
Coolidge	Yes	No	No	No

As nouns, Calvin Coolidge and Coolidge are synonyms defined as:

Calvin Coolidge and Coolidge: elected vice president and succeeded as 30th President of the United States when Harding died in 1923 (1872-1933)

Other synonyms of Calvin Coolidge include President Coolidge.

Calvin Coolidge (noun)	Coolidge (noun)
elected vice president and succeeded as 30th President of the United States when Harding died in 1923 (1872-1933)	elected vice president and succeeded as 30th President of the United States when Harding died in 1923 (1872-1933)