Homer Armstrong Thompson vs Homer A. Thompson

Homer Armstrong Thompson and Homer A. Thompson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Homer Armstrong Thompson	Yes	No	No	No
Homer A. Thompson	Yes	No	No	No

As nouns, Homer Armstrong Thompson and Homer A. Thompson are synonyms defined as:

Homer Armstrong Thompson and Homer A. Thompson: United States classical archaeologist (born in Canada) noted for leading the excavation of the Athenian agora (1906-2000)

Other synonyms of Homer Armstrong Thompson include Homer Thompson, Thompson.

Homer Armstrong Thompson (noun)	Homer A. Thompson (noun)
United States classical archaeologist (born in Canada) noted for leading the excavation of the Athenian agora (1906-2000)	United States classical archaeologist (born in Canada) noted for leading the excavation of the Athenian agora (1906-2000)