religious vs god-fearing

religious is a noun but god-fearing is not a noun.

Word	Noun	Adjective	Verb	Adverb
religious	Yes	Yes	No	No
god-fearing	No	Yes	No	No

religious (noun)	god-fearing (noun)
a member of a religious order who is bound by vows of poverty and chastity and obedience

religious (adjective)	god-fearing (adjective)
having or showing belief in and reverence for a deity	deeply religious
of or relating to clergy bound by monastic vows
concerned with sacred matters or religion or the church
extremely scrupulous and conscientious