exhumation vs digging up

exhumation and digging up both are nouns.

Word	Noun	Adjective	Verb	Adverb
exhumation	Yes	No	No	No
digging up	Yes	No	No	No

As nouns, exhumation and digging up are synonyms defined as:

exhumation and digging up: the act of digging something up out of the ground (especially a corpse) where it has been buried

Other synonyms of exhumation include disinterment.

exhumation (noun)	digging up (noun)
the act of digging something up out of the ground (especially a corpse) where it has been buried	the act of digging something up out of the ground (especially a corpse) where it has been buried