Sir Terence Mervyn Rattigan vs playwright

Sir Terence Mervyn Rattigan and playwright both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sir Terence Mervyn Rattigan	Yes	No	No	No
playwright	Yes	No	No	No

Sir Terence Mervyn Rattigan (noun)	playwright (noun)
British playwright (1911-1977)	someone who writes plays