midden vs eitchen midden

midden and eitchen midden both are nouns.

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

As nouns, midden and eitchen midden are synonyms defined as:

midden and eitchen midden: (archeology) a mound of domestic refuse containing shells and animal bones marking the site of a prehistoric settlement

Other synonyms of midden include kitchen midden.

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