Parrotia vs ironwood

Parrotia and ironwood both are nouns.

Word	Noun	Adjective	Verb	Adverb
Parrotia	Yes	No	No	No
ironwood	Yes	No	No	No

Parrotia (noun)	ironwood (noun)
one species: iron tree	a small slow-growing deciduous tree of northern Iran having a low domed shape
	medium-sized hop hornbeam of eastern North America
	handsome East Indian evergreen tree often planted as an ornamental for its fragrant white flowers that yield a perfume; source of very heavy hardwood used for railroad ties
	exceptionally tough or hard wood of any of a number of ironwood trees