ethmoid vs ethmoid bone

ethmoid and ethmoid bone both are nouns.

Word	Noun	Adjective	Verb	Adverb
ethmoid	Yes	No	No	No
ethmoid bone	Yes	No	No	No

As nouns, ethmoid and ethmoid bone are synonyms defined as:

ethmoid and ethmoid bone: one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity

ethmoid (noun)	ethmoid bone (noun)
one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity	one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity