loosestrife family vs order Myrtales

loosestrife family and order Myrtales both are nouns.

Word	Noun	Adjective	Verb	Adverb
loosestrife family	Yes	No	No	No
order Myrtales	Yes	No	No	No

loosestrife family (noun)	order Myrtales (noun)
herbs and shrubs and small trees with pink or purple flowers	Myrtaceae, Combretaceae, Elaeagnaceae, Haloragidaceae, Melastomaceae, Lecythidaceae, Lythraceae, Rhizophoraceae, Onagraceae, Lecythidaceae, Punicaceae