Judaical vs Judaism

Judaical is not a noun while Judaism is a noun.

Word	Noun	Adjective	Verb	Adverb
Judaical	No	Yes	No	No
Judaism	Yes	No	No	No

Judaical (noun)	Judaism (noun)
	the monotheistic religion of the Jews having its spiritual and ethical principles embodied chiefly in the Torah and in the Talmud
	Jews collectively who practice a religion based on the Torah and the Talmud

Judaical (adjective)	Judaism (adjective)
of or relating to or characteristic of the Jews or their culture or religion