kitchen midden vs dumpsite

kitchen midden and dumpsite both are nouns.

Word	Noun	Adjective	Verb	Adverb
kitchen midden	Yes	No	No	No
dumpsite	Yes	No	No	No

As nouns, dumpsite is a hypernym of kitchen midden; that is, dumpsite is a word with a broader meaning than kitchen midden:

kitchen midden: (archeology) a mound of domestic refuse containing shells and animal bones marking the site of a prehistoric settlement
dumpsite: a piece of land where waste materials are dumped

Other hypernyms of kitchen midden include dump, garbage dump, rubbish dump, trash dump, waste-yard, wasteyard.

kitchen midden (noun)	dumpsite (noun)
(archeology) a mound of domestic refuse containing shells and animal bones marking the site of a prehistoric settlement	a piece of land where waste materials are dumped