order Ebenales vs class Dicotyledones

order Ebenales and class Dicotyledones both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Ebenales	Yes	No	No	No
class Dicotyledones	Yes	No	No	No

order Ebenales (noun)	class Dicotyledones (noun)
trees or shrubs of the families Ebenaceae or Sapotaceae or Styracaceae or Symplocaceae	comprising seed plants that produce an embryo with paired cotyledons and net-veined leaves; divided into six (not always well distinguished) subclasses (or superorders): Magnoliidae and Hamamelidae (considered primitive), Caryophyllidae (an early and distinctive offshoot), and three more or less advanced groups: Dilleniidae, Rosidae, Asteridae