sphenoid vs os sphenoidale

sphenoid and os sphenoidale both are nouns.

Word	Noun	Adjective	Verb	Adverb
sphenoid	Yes	No	No	No
os sphenoidale	Yes	No	No	No

As nouns, sphenoid and os sphenoidale are synonyms defined as:

sphenoid and os sphenoidale: butterfly-shaped bone at the base of the skull

Other synonyms of sphenoid include sphenoid bone.

sphenoid (noun)	os sphenoidale (noun)
butterfly-shaped bone at the base of the skull	butterfly-shaped bone at the base of the skull