Blackfet or Blackfeet: How To spell?
The word Blackfet is misspelled against Blackfeet, a noun meaning "A tribe of North American Indians formerly inhabiting the country from the upper Missouri River to the Saskatchewan, but now much reduced in numbers."
Blackfeet has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Blackf & t which should not be misspelled with single 'E'
Wrong Spelling:  Blackf-e-t  Correct Spelling:  Blackf-ee-t 
Explore spell check of Blackfeet to spell without errors.