Aplysiidae vs Tethys

Aplysiidae and Tethys both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aplysiidae	Yes	No	No	No
Tethys	Yes	No	No	No

Aplysiidae (noun)	Tethys (noun)
sea hares	type genus of the family Aplysiidae
	(Greek mythology) a Titaness and sea goddess; wife of Oceanus