Francis Bacon vs Sir Francis Bacon

Francis Bacon and Sir Francis Bacon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Francis Bacon	Yes	No	No	No
Sir Francis Bacon	Yes	No	No	No

As nouns, Francis Bacon and Sir Francis Bacon are synonyms defined as:

Francis Bacon and Sir Francis Bacon: English statesman and philosopher; precursor of British empiricism; advocated inductive reasoning (1561-1626)

Other synonyms of Francis Bacon include 1st Baron Verulam, Bacon, Baron Verulam, Viscount St. Albans.

Francis Bacon (noun)	Sir Francis Bacon (noun)
English statesman and philosopher; precursor of British empiricism; advocated inductive reasoning (1561-1626)	English statesman and philosopher; precursor of British empiricism; advocated inductive reasoning (1561-1626)