Harriman vs William Averell Harriman

Harriman and William Averell Harriman both are nouns.

Word	Noun	Adjective	Verb	Adverb
Harriman	Yes	No	No	No
William Averell Harriman	Yes	No	No	No

As nouns, Harriman and William Averell Harriman are synonyms defined as:

Harriman and William Averell Harriman: United States financier who negotiated a treaty with the Soviet Union banning tests of nuclear weapons (1891-1986)

Other synonyms of Harriman include Averell Harriman, W. Averell Harriman.

Harriman (noun)	William Averell Harriman (noun)
United States railway tycoon (1848-1909)	United States financier who negotiated a treaty with the Soviet Union banning tests of nuclear weapons (1891-1986)
United States financier who negotiated a treaty with the Soviet Union banning tests of nuclear weapons (1891-1986)