edict vs announcement

edict and announcement both are nouns.

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

As nouns, announcement is a hypernym of edict; that is, announcement is a word with a broader meaning than edict:

Other hypernyms of edict include annunciation, declaration, proclamation.

edict (noun)	announcement (noun)
a legally binding command or decision entered on the court record (as if issued by a court or judge)	a public statement containing information about an event that has happened or is going to happen
a formal or authoritative proclamation	a formal public statement