ghoul vs graverobber

ghoul and graverobber both are nouns.

Word	Noun	Adjective	Verb	Adverb
ghoul	Yes	No	No	No
graverobber	Yes	No	No	No

As nouns, ghoul and graverobber are synonyms defined as:

ghoul and graverobber: someone who takes bodies from graves and sells them for anatomical dissection

Other synonyms of ghoul include body snatcher.

ghoul (noun)	graverobber (noun)
an evil spirit or ghost	someone who takes bodies from graves and sells them for anatomical dissection
someone who takes bodies from graves and sells them for anatomical dissection	someone who steals valuables from graves or crypts