autopsy vs medical specialty

autopsy and medical specialty both are nouns.

Word	Noun	Adjective	Verb	Adverb
autopsy	Yes	No	Yes	No
medical specialty	Yes	No	No	No

autopsy (noun)	medical specialty (noun)
an examination and dissection of a dead body to determine cause of death or the changes produced by disease	the branches of medical science that deal with nonsurgical techniques

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