archangel vs Raphael

archangel and Raphael both are nouns.

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

As nouns, Raphael is a hyponym of archangel; that is, Raphael is a word with a more specific, narrower meaning than archangel:

archangel: an angel ranked above the highest rank in the celestial hierarchy
Raphael: an archangel of the Hebrew tradition

Other hyponyms of archangel include Gabriel, Michael.

archangel (noun)	Raphael (noun)
an angel ranked above the highest rank in the celestial hierarchy	Italian painter whose many paintings exemplify the ideals of the High Renaissance (1483-1520)
a biennial cultivated herb; its stems are candied and eaten and its roots are used medicinally	an archangel of the Hebrew tradition