goldcup vs butter-flower

goldcup and butter-flower both are nouns.

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

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

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

Other synonyms of goldcup include buttercup, butterflower, crowfoot, kingcup.

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