Turk vs Ottoman

Turk and Ottoman both are nouns.

Word	Noun	Adjective	Verb	Adverb
Turk	Yes	No	No	No
Ottoman	Yes	Yes	No	No

As nouns, Ottoman is a hyponym of Turk; that is, Ottoman is a word with a more specific, narrower meaning than Turk:

Other hyponyms of Turk include Osmanli, Ottoman Turk, effendi.

Turk (noun)	Ottoman (noun)
a native or inhabitant of Turkey	the Turkish dynasty that ruled the Ottoman Empire from the 13th century to its dissolution after World War I
	a Turk (especially a Turk who is a member of the tribe of Osman I)

Turk (adjective)	Ottoman (adjective)
	of or relating to the Ottoman Empire or its people or its culture