English Wikipedia has an article on:

Creek language

Wikipedia

• As an English surname, from Creake in Norfolk, a variant of the noun crag (“steep rugged cliff”).
• Also as an English surname, from the archaic noun cratch (“crib, manger”).
• As a German surname, Americanized from Krieg (“war, warfare”), Krück, Kruck (see Krug (“jug”) and Krücke (“crutch”)), Krick.
• As a Dutch surname, Americanized from Kreek (from the noun kreek (“creek”), see creek) and Kriek (from kriek (“cherry”)).
• The Native American tribe name is likely shortened from Ocheese Creek.

Creek (plural Creeks or Creek)

1. One of a Native American tribe from the Southeastern United States, also known as the Muscogee.

Creek

1. The Muskogean language of the Creek tribe.
2. A surname.

Creek (not comparable)

1. Of or pertaining to the Creek tribe.

   The chieftain was well versed in Creek history.

• Walker, Willard B. (2004). "Creek Confederacy Before Removal," in Raymond D. Fogelson (ed.), Handbook of North American Indians, Vol. 14: Southeast. Washington, DC: Smithsonian Institution.

• Ethnologue entry for Creek, mus ⁠

• ecker, Kerce