connivance vs tacit consent

connivance and tacit consent both are nouns.

Word	Noun	Adjective	Verb	Adverb
connivance	Yes	No	No	No
tacit consent	Yes	No	No	No

As nouns, connivance and tacit consent are synonyms defined as:

connivance and tacit consent: (law) tacit approval of someone's wrongdoing

Other synonyms of connivance include secret approval.

connivance (noun)	tacit consent (noun)
agreement on a secret plot	(law) tacit approval of someone's wrongdoing
(law) tacit approval of someone's wrongdoing