compass plant vs prairie trefoil

compass plant and prairie trefoil both are nouns.

Word	Noun	Adjective	Verb	Adverb
compass plant	Yes	No	No	No
prairie trefoil	Yes	No	No	No

As nouns, compass plant and prairie trefoil are synonyms defined as:

compass plant and prairie trefoil: North American annual with red or rose-colored flowers

Other synonyms of compass plant include Lotus americanus, prairie bird's-foot trefoil, prairie lotus.

compass plant (noun)	prairie trefoil (noun)
any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass	North American annual with red or rose-colored flowers
North American annual with red or rose-colored flowers