pterygoid plexus vs rete

pterygoid plexus and rete both are nouns.

Word	Noun	Adjective	Verb	Adverb
pterygoid plexus	Yes	No	No	No
rete	Yes	No	No	No

As nouns, rete is a hypernym of pterygoid plexus; that is, rete is a word with a broader meaning than pterygoid plexus:

pterygoid plexus: a plexus of veins draining the region of the pterygoid muscles and draining into the internal maxillary and anterior facial veins
rete: a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels

Other hypernyms of pterygoid plexus include plexus.

pterygoid plexus (noun)	rete (noun)
a plexus of veins draining the region of the pterygoid muscles and draining into the internal maxillary and anterior facial veins	a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels