status vs middle-class

status is a noun but middle-class is not a noun.

Word	Noun	Adjective	Verb	Adverb
status	Yes	No	No	No
middle-class	No	Yes	No	No

status (noun)	middle-class (noun)
the relative position or standing of things or especially persons in a society
a state at a particular time

status (adjective)	middle-class (adjective)
	occupying a socioeconomic position intermediate between those of the lower classes and the wealthy