nervus trigeminus vs fifth cranial nerve

nervus trigeminus and fifth cranial nerve both are nouns.

Word	Noun	Adjective	Verb	Adverb
nervus trigeminus	Yes	No	No	No
fifth cranial nerve	Yes	No	No	No

As nouns, nervus trigeminus and fifth cranial nerve are synonyms defined as:

nervus trigeminus and fifth cranial nerve: the main sensory nerve of the face and motor nerve for the muscles of mastication

Other synonyms of nervus trigeminus include trigeminal, trigeminal nerve, trigeminus.

nervus trigeminus (noun)	fifth cranial nerve (noun)
the main sensory nerve of the face and motor nerve for the muscles of mastication	the main sensory nerve of the face and motor nerve for the muscles of mastication