velvet bent grass vs bent

velvet bent grass and bent both are nouns.

Word	Noun	Adjective	Verb	Adverb
velvet bent grass	Yes	No	No	No
bent	Yes	Yes	No	No

As nouns, bent is a hypernym of velvet bent grass; that is, bent is a word with a broader meaning than velvet bent grass:

Other hypernyms of velvet bent grass include bent-grass, bent grass.

velvet bent grass (noun)	bent (noun)
common grass with slender stems and narrow leaves	a special way of doing something
	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

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