Cheyenes or Cheyennes: How To spell?
The word Cheyenes is misspelled against Cheyennes, a noun meaning "A warlike tribe of indians, related to the blackfeet, formerly inhabiting the region of Wyoming, but now mostly on reservations in the Indian Territory. They are noted for their horsemanship."
Cheyennes has double "nn" is mispronounced as "n"Remember double 'NN' in between the strings cheye & es which should not be misspelled with single 'N'
Wrong Spelling:  cheye-n-es  Correct Spelling:  cheye-nn-es 
Explore spell check of Cheyennes to spell without errors.