brown bent vs Agrostis canina

brown bent and Agrostis canina both are nouns.

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

As nouns, brown bent and Agrostis canina are synonyms defined as:

brown bent and Agrostis canina: common grass with slender stems and narrow leaves

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

brown bent (noun)	Agrostis canina (noun)
common grass with slender stems and narrow leaves	common grass with slender stems and narrow leaves