femoral artery vs arteria

femoral artery and arteria both are nouns.

Word	Noun	Adjective	Verb	Adverb
femoral artery	Yes	No	No	No
arteria	Yes	No	No	No

As nouns, arteria is a hypernym of femoral artery; that is, arteria is a word with a broader meaning than femoral artery:

femoral artery: the chief artery of the thigh; a continuation of the external iliac artery
arteria: a blood vessel that carries blood from the heart to the body

Other hypernyms of femoral artery include arterial blood vessel, artery.

femoral artery (noun)	arteria (noun)
the chief artery of the thigh; a continuation of the external iliac artery	a blood vessel that carries blood from the heart to the body