monarchical vs monarch

monarchical is not a noun while monarch is a noun.

Word	Noun	Adjective	Verb	Adverb
monarchical	No	Yes	No	No
monarch	Yes	No	No	No

monarchical (noun)	monarch (noun)
	large migratory American butterfly having deep orange wings with black and white markings; the larvae feed on milkweed
	a nation's ruler or head of state usually by hereditary right

monarchical (adjective)	monarch (adjective)
having the characteristics of or befitting or worthy of a monarch
ruled by or having the supreme power resting with a monarch