dunghill vs midden

dunghill and midden both are nouns.

Word	Noun	Adjective	Verb	Adverb
dunghill	Yes	No	No	No
midden	Yes	No	No	No

As nouns, dunghill and midden are synonyms defined as:

Other synonyms of dunghill include muckheap, muckhill.

dunghill (noun)	midden (noun)
a heap of dung or refuse	a heap of dung or refuse
a foul or degraded condition	(archeology) a mound of domestic refuse containing shells and animal bones marking the site of a prehistoric settlement