unbroken vs solid

unbroken is not a noun while solid is a noun.

Word	Noun	Adjective	Verb	Adverb
unbroken	No	Yes	No	No
solid	Yes	Yes	No	No

unbroken (noun)	solid (noun)
	a three-dimensional object, structurally rigid, usually resistant to changes of shape or volume
	the state in which a substance has no tendency to flow under moderate stress; resists forces (such as compression) that tend to deform it; and retains a definite size and shape
	matter that is solid at room temperature and pressure

unbroken (adjective)	solid (adjective)
not broken; whole and intact; in one piece	of definite shape and volume; firm; neither liquid nor gaseous
marked by continuous or uninterrupted extension in space or time or sequence	entirely of one substance with no holes inside
(especially of promises or contracts) not violated or disregarded	having length, breadth and thickness
(of farmland) not plowed	characterized by good substantial quality
not subdued or trained for service or use	not soft or yielding to pressure
	of one substance or character throughout
	impenetrable for the eye
	meriting respect or esteem
	of a substantial character and not frivolous or superficial
	financially dependable
	of good quality and condition; solidly built
	uninterrupted in space; having no gaps or breaks
	acting together as a single undiversified whole
	providing abundant nourishment
	of the same color throughout