velvet bent grass vs velvet bent

velvet bent grass and velvet bent both are nouns.

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

As nouns, velvet bent grass and velvet bent are synonyms defined as:

velvet bent grass and velvet bent: common grass with slender stems and narrow leaves

Other synonyms of velvet bent grass include Agrostis canina, brown bent, dog bent, Rhode Island bent.

velvet bent grass (noun)	velvet bent (noun)
common grass with slender stems and narrow leaves	common grass with slender stems and narrow leaves