takeover vs coup

takeover and coup both are nouns.

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

As nouns, takeover and coup are synonyms defined as:

takeover and coup: a sudden and decisive change of government illegally or by force

Other synonyms of takeover include coup d'etat, putsch.

takeover (noun)	coup (noun)
a change by sale or merger in the controlling interest of a corporation	a sudden and decisive change of government illegally or by force
a sudden and decisive change of government illegally or by force	a brilliant and notable success