family Chamaeleonidae vs Chamaeleontidae

family Chamaeleonidae and Chamaeleontidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Chamaeleonidae	Yes	No	No	No
Chamaeleontidae	Yes	No	No	No

As nouns, family Chamaeleonidae and Chamaeleontidae are synonyms defined as:

family Chamaeleonidae and Chamaeleontidae: Old World chameleons; in some classifications they are considered a superfamily of Sauria

Other synonyms of family Chamaeleonidae include Chamaeleonidae, family Chamaeleontidae, family Rhiptoglossa, Rhiptoglossa.

family Chamaeleonidae (noun)	Chamaeleontidae (noun)
Old World chameleons; in some classifications they are considered a superfamily of Sauria	Old World chameleons; in some classifications they are considered a superfamily of Sauria