Thomas the Apostle vs doubting Thomas

Thomas the Apostle and doubting Thomas both are nouns.

Word	Noun	Adjective	Verb	Adverb
Thomas the Apostle	Yes	No	No	No
doubting Thomas	Yes	No	No	No

As nouns, Thomas the Apostle and doubting Thomas are synonyms defined as:

Thomas the Apostle and doubting Thomas: the Apostle who would not believe the resurrection of Jesus until he saw Jesus with his own eyes

Other synonyms of Thomas the Apostle include Saint Thomas, St. Thomas, Thomas, Thomas the doubting Apostle.

Thomas the Apostle (noun)	doubting Thomas (noun)
the Apostle who would not believe the resurrection of Jesus until he saw Jesus with his own eyes	the Apostle who would not believe the resurrection of Jesus until he saw Jesus with his own eyes
	someone who demands physical evidence in order to be convinced (especially when this demand is out of place)