As nouns,
venae profundae clitoridis is a hyponym of
vena clitoridis; that is, venae profundae clitoridis is a
word with a more specific, narrower meaning than
vena clitoridis:
vena clitoridis: veins that serve the clitoris
venae profundae clitoridis: deep veins of the clitoris; join the vesical plexus