swallowwort vs greater celandine

swallowwort and greater celandine both are nouns.

Word	Noun	Adjective	Verb	Adverb
swallowwort	Yes	No	No	No
greater celandine	Yes	No	No	No

As nouns, swallowwort and greater celandine are synonyms defined as:

swallowwort and greater celandine: perennial herb with branched woody stock and bright yellow flowers

Other synonyms of swallowwort include celandine, Chelidonium majus, swallow wort.

swallowwort (noun)	greater celandine (noun)
perennial herb with branched woody stock and bright yellow flowers	perennial herb with branched woody stock and bright yellow flowers
tropical herb having orange-red flowers followed by pods suggesting a swallow with outspread wings; a weed throughout the tropics