Andrei Gromyko vs Andrei Andreyevich Gromyko

Andrei Gromyko and Andrei Andreyevich Gromyko both are nouns.

Word	Noun	Adjective	Verb	Adverb
Andrei Gromyko	Yes	No	No	No
Andrei Andreyevich Gromyko	Yes	No	No	No

As nouns, Andrei Gromyko and Andrei Andreyevich Gromyko are synonyms defined as:

Andrei Gromyko and Andrei Andreyevich Gromyko: Soviet ambassador to the United States and to the United Nations (1909-1989)

Other synonyms of Andrei Gromyko include Gromyko.

Andrei Gromyko (noun)	Andrei Andreyevich Gromyko (noun)
Soviet ambassador to the United States and to the United Nations (1909-1989)	Soviet ambassador to the United States and to the United Nations (1909-1989)