The Adena Indians are a culture which dates back into prehistoric times. Very little is known about them outside of the archaeological findings which have been unearthed. No one is sure what language the ancient Adena people may have spoken.
Nothing is known of the Adena language. It was not written, and the Adena people died out around 200 BCE.
The Manhasset indians spoke the Munsee and Unami languages.
Caddoan
Sourashtian
I believe they spoke Algonquian
There is no information about languages that were spoken by Tocobaga people.
The Adena used the language which Ulm created callled Ulm language of the Adena's,the same with the Hopewell.Ulm language is used in the continental United States(Ulm) where the Adena and Hopewell are.
The Manhasset indians spoke the Munsee and Unami languages.
Algonquian!
Sioux
algonquon
Sourashtian
Caddoan
english.
english.
They spoke Caddoan
Algonqulan Or Algonkian
Iroquian and/or Ojibway