Chief is a leader or ruler of a people or clan, an ordinary consisting of a broad horizontal band across the top of the shield.
As nouns the difference between chieftain and chief. is that chieftain is a leader of a clan or tribe while chief is (senseid)a leader or head of a group of people, organisation, etc.
Cheif has no English definition. It is generally be misspelled.
From Middle English, borrowed from Old French chief (“leader”), from Vulgar Latin *capum (from which also captain, chieftain), from Latin caput (“head”) (English cap (“head covering”)), from Proto-Indo-European *kauput- (English head).
chief (plural chiefs)
Look at pages starting with chief.
chief (comparative chiefer or more chief, superlative chiefest or most chief)
chief (third-person singular simple present chiefs, present participle chiefing, simple past and past participle chiefed)
cheif (plural cheifs)