family Carchariidae vs Odontaspididae

family Carchariidae and Odontaspididae both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Carchariidae	Yes	No	No	No
Odontaspididae	Yes	No	No	No

As nouns, family Carchariidae and Odontaspididae are synonyms defined as:

family Carchariidae and Odontaspididae: sand sharks; in some classifications coextensive with family Carcharhinidae

Other synonyms of family Carchariidae include Carchariidae, family Odontaspididae.

family Carchariidae (noun)	Odontaspididae (noun)
sand sharks; in some classifications coextensive with family Carcharhinidae	sand sharks; in some classifications coextensive with family Carcharhinidae