tribal sheik vs tribal sheikh

tribal sheik and tribal sheikh both are nouns.

Word	Noun	Adjective	Verb	Adverb
tribal sheik	Yes	No	No	No
tribal sheikh	Yes	No	No	No

As nouns, tribal sheik and tribal sheikh are synonyms defined as:

Other synonyms of tribal sheik include Arab chief, sheik, sheikh.

tribal sheik (noun)	tribal sheikh (noun)
the leader of an Arab village or family	the leader of an Arab village or family