saphenous nerve vs nervus saphenus

saphenous nerve and nervus saphenus both are nouns.

Word	Noun	Adjective	Verb	Adverb
saphenous nerve	Yes	No	No	No
nervus saphenus	Yes	No	No	No

As nouns, saphenous nerve and nervus saphenus are synonyms defined as:

saphenous nerve and nervus saphenus: a branch of the femoral nerve that supplies cutaneous branches to the inner aspect of the leg and foot

saphenous nerve (noun)	nervus saphenus (noun)
a branch of the femoral nerve that supplies cutaneous branches to the inner aspect of the leg and foot	a branch of the femoral nerve that supplies cutaneous branches to the inner aspect of the leg and foot