cheekbone vs os zygomaticum

cheekbone and os zygomaticum both are nouns.

Word	Noun	Adjective	Verb	Adverb
cheekbone	Yes	No	No	No
os zygomaticum	Yes	No	No	No

As nouns, cheekbone and os zygomaticum are synonyms defined as:

cheekbone and os zygomaticum: the arch of bone beneath the eye that forms the prominence of the cheek

Other synonyms of cheekbone include jugal bone, malar, malar bone, zygomatic, zygomatic bone.

cheekbone (noun)	os zygomaticum (noun)
the arch of bone beneath the eye that forms the prominence of the cheek	the arch of bone beneath the eye that forms the prominence of the cheek