girasol vs fire opal

girasol and fire opal both are nouns.

Word	Noun	Adjective	Verb	Adverb
girasol	Yes	No	No	No
fire opal	Yes	No	No	No

As nouns, girasol and fire opal are synonyms defined as:

girasol and fire opal: an opal with flaming orange and yellow and red colors

girasol (noun)	fire opal (noun)
tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers	an opal with flaming orange and yellow and red colors
an opal with flaming orange and yellow and red colors