ambrosia vs ambrosial

ambrosia is a noun but ambrosial is not a noun.

Word	Noun	Adjective	Verb	Adverb
ambrosia	Yes	No	No	No
ambrosial	No	Yes	No	No

ambrosia (noun)	ambrosial (noun)
(classical mythology) the food and drink of the gods; mortals who ate it became immortal
fruit dessert made of oranges and bananas with shredded coconut
any of numerous chiefly North American weedy plants constituting the genus Ambrosia that produce highly allergenic pollen responsible for much hay fever and asthma
a mixture of nectar and pollen prepared by worker bees and fed to larvae

ambrosia (adjective)	ambrosial (adjective)
	worthy of the gods
	extremely pleasing to the taste; sweet and fragrant