Ranunculus bulbosus vs common buttercup

Ranunculus bulbosus and common buttercup both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ranunculus bulbosus	Yes	No	No	No
common buttercup	Yes	No	No	No

As nouns, Ranunculus bulbosus and common buttercup are synonyms defined as:

Ranunculus bulbosus and common buttercup: perennial Old World buttercup with golden to sulphur yellow flowers in late spring to early summer; naturalized in North America

Ranunculus bulbosus (noun)	common buttercup (noun)
perennial Old World buttercup with golden to sulphur yellow flowers in late spring to early summer; naturalized in North America	perennial Old World buttercup with golden to sulphur yellow flowers in late spring to early summer; naturalized in North America