pea tree vs caragana

pea tree and caragana both are nouns.

Word	Noun	Adjective	Verb	Adverb
pea tree	Yes	No	No	No
caragana	Yes	No	No	No

As nouns, pea tree and caragana are synonyms defined as:

pea tree and caragana: any plant of the genus Caragana having even-pinnate leaves and mostly yellow flowers followed by seeds in a linear pod

pea tree (noun)	caragana (noun)
any plant of the genus Caragana having even-pinnate leaves and mostly yellow flowers followed by seeds in a linear pod	any plant of the genus Caragana having even-pinnate leaves and mostly yellow flowers followed by seeds in a linear pod