Sutherland vs Joan Sutherland

Sutherland and Joan Sutherland both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sutherland	Yes	No	No	No
Joan Sutherland	Yes	No	No	No

As nouns, Sutherland and Joan Sutherland are synonyms defined as:

Sutherland and Joan Sutherland: Australian operatic soprano (born in 1926)

Other synonyms of Sutherland include Dame Joan Sutherland.

Sutherland (noun)	Joan Sutherland (noun)
Australian operatic soprano (born in 1926)	Australian operatic soprano (born in 1926)