mandible vs mandibula

mandible and mandibula both are nouns.

Word	Noun	Adjective	Verb	Adverb
mandible	Yes	No	No	No
mandibula	Yes	No	No	No

As nouns, mandible and mandibula are synonyms defined as:

mandible and mandibula: the jaw in vertebrates that is hinged to open the mouth

Other synonyms of mandible include jawbone, jowl, lower jaw, lower jawbone, mandibular bone, submaxilla.

mandible (noun)	mandibula (noun)
the jaw in vertebrates that is hinged to open the mouth	the jaw in vertebrates that is hinged to open the mouth