necropsy vs autopsy

necropsy and autopsy both are nouns.

Word	Noun	Adjective	Verb	Adverb
necropsy	Yes	No	No	No
autopsy	Yes	No	Yes	No

As nouns, necropsy and autopsy are synonyms defined as:

necropsy and autopsy: an examination and dissection of a dead body to determine cause of death or the changes produced by disease

Other synonyms of necropsy include PM, post-mortem, post-mortem examination, postmortem, postmortem examination.

necropsy (noun)	autopsy (noun)
an examination and dissection of a dead body to determine cause of death or the changes produced by disease	an examination and dissection of a dead body to determine cause of death or the changes produced by disease

necropsy (verb)	autopsy (verb)
	perform an autopsy on a dead body; do a post-mortem