Dracenaceae vs subfamily Dracenaceae

Dracenaceae and subfamily Dracenaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dracenaceae	Yes	No	No	No
subfamily Dracenaceae	Yes	No	No	No

As nouns, Dracenaceae and subfamily Dracenaceae are synonyms defined as:

Dracenaceae and subfamily Dracenaceae: one of two subfamilies to which some classification systems assign some members of the Agavaceae

Other synonyms of Dracenaceae include Dracaenaceae, subfamily Dracaenaceae.

Dracenaceae (noun)	subfamily Dracenaceae (noun)
one of two subfamilies to which some classification systems assign some members of the Agavaceae	one of two subfamilies to which some classification systems assign some members of the Agavaceae