turbinal vs os

turbinal and os both are nouns.

Word	Noun	Adjective	Verb	Adverb
turbinal	Yes	No	No	No
os	Yes	No	No	No

As nouns, os is a hypernym of turbinal; that is, os is a word with a broader meaning than turbinal:

turbinal: any of the scrolled spongy bones of the nasal passages in man and other vertebrates
os: rigid connective tissue that makes up the skeleton of vertebrates

Other hypernyms of turbinal include bone.

turbinal (noun)	os (noun)
any of the scrolled spongy bones of the nasal passages in man and other vertebrates	rigid connective tissue that makes up the skeleton of vertebrates
	a mouth or mouthlike opening