brain death vs cerebral death

brain death and cerebral death both are nouns.

Word	Noun	Adjective	Verb	Adverb
brain death	Yes	No	No	No
cerebral death	Yes	No	No	No

As nouns, brain death and cerebral death are synonyms defined as:

brain death and cerebral death: death when respiration and other reflexes are absent; consciousness is gone; organs can be removed for transplantation before the heartbeat stops

brain death (noun)	cerebral death (noun)
death when respiration and other reflexes are absent; consciousness is gone; organs can be removed for transplantation before the heartbeat stops	death when respiration and other reflexes are absent; consciousness is gone; organs can be removed for transplantation before the heartbeat stops