butter-flower vs goldcup

butter-flower and goldcup both are nouns.

Word	Noun	Adjective	Verb	Adverb
butter-flower	Yes	No	No	No
goldcup	Yes	No	No	No

As nouns, butter-flower and goldcup are synonyms defined as:

butter-flower and goldcup: any of various plants of the genus Ranunculus

Other synonyms of butter-flower include buttercup, butterflower, crowfoot, kingcup.

butter-flower (noun)	goldcup (noun)
any of various plants of the genus Ranunculus	any of various plants of the genus Ranunculus