pneumogastric nerve vs nervus vagus

pneumogastric nerve and nervus vagus both are nouns.

Word	Noun	Adjective	Verb	Adverb
pneumogastric nerve	Yes	No	No	No
nervus vagus	Yes	No	No	No

As nouns, pneumogastric nerve and nervus vagus are synonyms defined as:

pneumogastric nerve and nervus vagus: a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera

Other synonyms of pneumogastric nerve include pneumogastric, tenth cranial nerve, vagus, vagus nerve, wandering nerve.

pneumogastric nerve (noun)	nervus vagus (noun)
a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera	a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera