lean vs sunken-eyed

lean is a noun but sunken-eyed is not a noun.

Word	Noun	Adjective	Verb	Adverb
lean	Yes	Yes	Yes	No
sunken-eyed	No	Yes	No	No

lean (noun)	sunken-eyed (noun)
the property possessed by a line or surface that departs from the vertical

lean (adjective)	sunken-eyed (adjective)
lacking in mineral content or combustible material	characteristic of the bony face of a cadaver
lacking excess flesh
not profitable or prosperous
containing little excess

lean (verb)	sunken-eyed (verb)
rely on for support
cause to lean or incline
to incline or bend from a vertical position
cause to lean to the side
have a tendency or disposition to do or be something; be inclined