bent vs brown bent

bent and brown bent both are nouns.

Word	Noun	Adjective	Verb	Adverb
bent	Yes	Yes	No	No
brown bent	Yes	No	No	No

As nouns, brown bent is a hyponym of bent; that is, brown bent is a word with a more specific, narrower meaning than bent:

bent (noun)	brown bent (noun)
a special way of doing something	common grass with slender stems and narrow leaves
a relatively permanent inclination to react in a particular way
an area of grassland unbounded by fences or hedges
grass for pastures and lawns especially bowling and putting greens

bent (adjective)	brown bent (adjective)
of metal e.g.
fixed in your purpose
used of the back and knees; stooped