co-respondent vs codefendant

co-respondent and codefendant both are nouns.

Word	Noun	Adjective	Verb	Adverb
co-respondent	Yes	No	No	No
codefendant	Yes	No	No	No

As nouns, codefendant is a hypernym of co-respondent; that is, codefendant is a word with a broader meaning than co-respondent:

co-respondent: the codefendant charged with adultery with the estranged spouse in a divorce proceeding
codefendant: a defendant who has been joined together with one or more other defendants in a single action

Other hypernyms of co-respondent include co-defendant.

co-respondent (noun)	codefendant (noun)
the codefendant charged with adultery with the estranged spouse in a divorce proceeding	a defendant who has been joined together with one or more other defendants in a single action