takeover vs countercoup

takeover and countercoup both are nouns.

Word	Noun	Adjective	Verb	Adverb
takeover	Yes	No	No	No
countercoup	Yes	No	No	No

As nouns, countercoup is a hyponym of takeover; that is, countercoup is a word with a more specific, narrower meaning than takeover:

takeover: a sudden and decisive change of government illegally or by force
countercoup: a sudden and decisive overthrow of a government that gained power by a coup d'etat

takeover (noun)	countercoup (noun)
a change by sale or merger in the controlling interest of a corporation	a sudden and decisive overthrow of a government that gained power by a coup d'etat
a sudden and decisive change of government illegally or by force