connivance vs approval

connivance and approval both are nouns.

Word	Noun	Adjective	Verb	Adverb
connivance	Yes	No	No	No
approval	Yes	No	No	No

As nouns, approval is a hypernym of connivance; that is, approval is a word with a broader meaning than connivance:

Other hypernyms of connivance include commendation.

connivance (noun)	approval (noun)
agreement on a secret plot	the formal act of approving
(law) tacit approval of someone's wrongdoing	a message expressing a favorable opinion
	a feeling of liking something or someone good
	acceptance as satisfactory