archangelical vs archangel

archangelical is not a noun while archangel is a noun.

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

archangelical (noun)	archangel (noun)
	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

archangelical (adjective)	archangel (adjective)
of or relating to or resembling archangels