burial ground vs burying ground

burial ground and burying ground both are nouns.

Word	Noun	Adjective	Verb	Adverb
burial ground	Yes	No	No	No
burying ground	Yes	No	No	No

As nouns, burial ground and burying ground are synonyms defined as:

Other synonyms of burial ground include burial site, cemetery, graveyard, memorial park, necropolis.

burial ground (noun)	burying ground (noun)
a tract of land used for burials	a tract of land used for burials