saint vs St. Thomas a Becket

saint and St. Thomas a Becket both are nouns.

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

saint (noun)	St. Thomas a Becket (noun)
person of exceptional holiness	(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)
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

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