rete testis vs plexus

rete testis and plexus both are nouns.

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

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

rete testis: network of tubules carrying sperm from the seminiferous tubules to the vasa efferentia
plexus: a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels

Other hypernyms of rete testis include rete.

rete testis (noun)	plexus (noun)
network of tubules carrying sperm from the seminiferous tubules to the vasa efferentia	a network of intersecting blood vessels or intersecting nerves or intersecting lymph vessels