edict vs fiat

edict and fiat both are nouns.

Word	Noun	Adjective	Verb	Adverb
edict	Yes	No	No	No
fiat	Yes	No	No	No

As nouns, edict and fiat are synonyms defined as:

edict and fiat: a legally binding command or decision entered on the court record (as if issued by a court or judge)

Other synonyms of edict include decree, order, rescript.

edict (noun)	fiat (noun)
a legally binding command or decision entered on the court record (as if issued by a court or judge)	a legally binding command or decision entered on the court record (as if issued by a court or judge)
a formal or authoritative proclamation