Gabriel vs archangel

Gabriel and archangel both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gabriel	Yes	No	No	No
archangel	Yes	No	No	No

As nouns, archangel is a hypernym of Gabriel; that is, archangel is a word with a broader meaning than Gabriel:

Gabriel: (Bible) the archangel who was the messenger of God
archangel: an angel ranked above the highest rank in the celestial hierarchy

Gabriel (noun)	archangel (noun)
(Bible) the archangel who was the messenger of God	an angel ranked above the highest rank in the celestial hierarchy
	a biennial cultivated herb; its stems are candied and eaten and its roots are used medicinally