Macaulay vs Lord Macaulay

Macaulay and Lord Macaulay both are nouns.

Word	Noun	Adjective	Verb	Adverb
Macaulay	Yes	No	No	No
Lord Macaulay	Yes	No	No	No

As nouns, Macaulay and Lord Macaulay are synonyms defined as:

Macaulay and Lord Macaulay: English historian noted for his history of England (1800-1859)

Other synonyms of Macaulay include First Baron Macaulay, Thomas Babington Macaulay.

Macaulay (noun)	Lord Macaulay (noun)
English historian noted for his history of England (1800-1859)	English historian noted for his history of England (1800-1859)