How to spell SENECAES correctly?

If you meant to write "Senecaes" but realized it was spelled incorrectly, here are some correct suggestions for the word: "Senecas" refers to the Native American people of the northeastern United States. "Senecae" is the plural form of "seneca", which means a type of herb. Finally, "Seneca's" is the possessive form of "Seneca", indicating something belonging to or related to Seneca.