decree vs override

decree and override both are nouns.

Word	Noun	Adjective	Verb	Adverb
decree	Yes	No	Yes	No
override	Yes	No	Yes	No

As verbs, override is a hyponym of decree; that is, override is a word with a more specific, narrower meaning than decree:

Other hyponyms of decree include overrule, overthrow, overturn, reverse, rule in, rule out.

decree (noun)	override (noun)
a legally binding command or decision entered on the court record (as if issued by a court or judge)	the act of nullifying; making null and void; counteracting or overriding the effect or force of something
	a manually operated device to correct the operation of an automatic device

decree (verb)	override (verb)
decide with authority	rule against
issue a decree	ride (a horse) too hard
	counteract the normal operation of (an automatic gear shift in a vehicle)
	prevail over