prescribed vs decreed

prescribed and decreed both are adjectives.

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

As adjectives, prescribed and decreed are synonyms defined as:

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

Other synonyms of prescribed include appointed, ordained.

prescribed (adjective)	decreed (adjective)
formally laid down or imposed	fixed or established especially by order or command
set down as a rule or guide
conforming to set usage, procedure, or discipline
fixed or established especially by order or command