champerty vs wrongdoing

champerty and wrongdoing both are nouns.

Word	Noun	Adjective	Verb	Adverb
champerty	Yes	No	No	No
wrongdoing	Yes	No	No	No

As nouns, wrongdoing is a hypernym of champerty; that is, wrongdoing is a word with a broader meaning than champerty:

champerty: an unethical agreement between an attorney and client that the attorney would sue and pay the costs of the client's suit in return for a portion of the damages awarded
wrongdoing: activity that transgresses moral or civil law

Other hypernyms of champerty include actus reus, misconduct, wrongful conduct.

champerty (noun)	wrongdoing (noun)
an unethical agreement between an attorney and client that the attorney would sue and pay the costs of the client's suit in return for a portion of the damages awarded	activity that transgresses moral or civil law
	departure from what is ethically acceptable