George Michael Cohan vs George M. Cohan

George Michael Cohan and George M. Cohan both are nouns.

Word	Noun	Adjective	Verb	Adverb
George Michael Cohan	Yes	No	No	No
George M. Cohan	Yes	No	No	No

As nouns, George Michael Cohan and George M. Cohan are synonyms defined as:

George Michael Cohan and George M. Cohan: United States songwriter and playwright famous for his patriotic songs (1878-1942)

Other synonyms of George Michael Cohan include Cohan.

George Michael Cohan (noun)	George M. Cohan (noun)
United States songwriter and playwright famous for his patriotic songs (1878-1942)	United States songwriter and playwright famous for his patriotic songs (1878-1942)