ordained vs decreed

ordained and decreed both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ordained	No	Yes	No	No
decreed	No	Yes	No	No

As adjectives, ordained and decreed are synonyms defined as:

ordained and decreed: fixed or established especially by order or command

Other synonyms of ordained include appointed, prescribed.

ordained (adjective)	decreed (adjective)
invested with ministerial or priestly functions	fixed or established especially by order or command
fixed or established especially by order or command