Sir Matthew Flinders vs Matthew Flinders

Sir Matthew Flinders and Matthew Flinders both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sir Matthew Flinders	Yes	No	No	No
Matthew Flinders	Yes	No	No	No

As nouns, Sir Matthew Flinders and Matthew Flinders are synonyms defined as:

Sir Matthew Flinders and Matthew Flinders: British explorer who mapped the Australian coast (1774-1814)

Other synonyms of Sir Matthew Flinders include Flinders.

Sir Matthew Flinders (noun)	Matthew Flinders (noun)
British explorer who mapped the Australian coast (1774-1814)	British explorer who mapped the Australian coast (1774-1814)