decree vs overthrow

decree and overthrow both are nouns.

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

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

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

decree (noun)	overthrow (noun)
a legally binding command or decision entered on the court record (as if issued by a court or judge)	the termination of a ruler or institution (especially by force)
	the act of disturbing the mind or body

decree (verb)	overthrow (verb)
decide with authority	rule against
issue a decree	cause the downfall of; of rulers