St. Thomas a Becket vs saint

St. Thomas a Becket and saint both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Thomas a Becket	Yes	No	No	No
saint	Yes	No	Yes	No

St. Thomas a Becket (noun)	saint (noun)
(Roman Catholic Church) archbishop of Canterbury from 1162 to 1170; murdered following his opposition to Henry II's attempts to control the clergy (1118-1170)	person of exceptional holiness
	model of excellence or perfection of a kind; one having no equal
	a person who has died and has been declared a saint by canonization

St. Thomas a Becket (verb)	saint (verb)
	declare (a dead person) to be a saint
	hold sacred