grand Turk vs ruler

grand Turk and ruler both are nouns.

Word	Noun	Adjective	Verb	Adverb
grand Turk	Yes	No	No	No
ruler	Yes	No	No	No

As nouns, ruler is a hypernym of grand Turk; that is, ruler is a word with a broader meaning than grand Turk:

grand Turk: the ruler of a Muslim country (especially of the former Ottoman Empire)
ruler: a person who rules or commands

Other hypernyms of grand Turk include swayer.

grand Turk (noun)	ruler (noun)
the ruler of a Muslim country (especially of the former Ottoman Empire)	measuring stick consisting of a strip of wood or metal or plastic with a straight edge that is used for drawing straight lines and measuring lengths
	a person who rules or commands