mandibula vs mandible

mandibula and mandible both are nouns.

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

As nouns, mandibula and mandible are synonyms defined as:

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

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

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