Cyril Northcote Parkinson vs Parkinson

Cyril Northcote Parkinson and Parkinson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cyril Northcote Parkinson	Yes	No	No	No
Parkinson	Yes	No	No	No

As nouns, Cyril Northcote Parkinson and Parkinson are synonyms defined as:

Cyril Northcote Parkinson and Parkinson: British historian noted for ridicule of bureaucracies (1909-1993)

Other synonyms of Cyril Northcote Parkinson include C. Northcote Parkinson.

Cyril Northcote Parkinson (noun)	Parkinson (noun)
British historian noted for ridicule of bureaucracies (1909-1993)	British historian noted for ridicule of bureaucracies (1909-1993)
	English surgeon (1755-1824)