case history vs chronicle

case history and chronicle both are nouns.

Word	Noun	Adjective	Verb	Adverb
case history	Yes	No	No	No
chronicle	Yes	No	Yes	No

As nouns, chronicle is a hypernym of case history; that is, chronicle is a word with a broader meaning than case history:

case history: detailed record of the background of a person or group under study or treatment
chronicle: a record or narrative description of past events

Other hypernyms of case history include account, history, story.

case history (noun)	chronicle (noun)
detailed record of the background of a person or group under study or treatment	a record or narrative description of past events

case history (verb)	chronicle (verb)
	record in chronological order; make a historical record