yellow pea vs golden pea

yellow pea and golden pea both are nouns.

Word	Noun	Adjective	Verb	Adverb
yellow pea	Yes	No	No	No
golden pea	Yes	No	No	No

As nouns, yellow pea and golden pea are synonyms defined as:

yellow pea and golden pea: western United States bushy herb having yellow pea-like flowers

Other synonyms of yellow pea include false lupine, Thermopsis macrophylla.

yellow pea (noun)	golden pea (noun)
western United States bushy herb having yellow pea-like flowers	western United States bushy herb having yellow pea-like flowers