People also known as the Muscogee (5)

I believe the answer is:

creek

(Other definitions for creek that I've seen before include "Up the .....; in difficulties, and wet?" , "Cove" , "Small inlet, river" , "Narrow waterway" , "Narrow inlet from the sea" .)

I've seen this clue in the USA Today.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.