firethorn vs Pyracantha

firethorn and Pyracantha both are nouns.

Word	Noun	Adjective	Verb	Adverb
firethorn	Yes	No	No	No
Pyracantha	Yes	No	No	No

As nouns, firethorn and Pyracantha are synonyms defined as:

firethorn and Pyracantha: any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries

Other synonyms of firethorn include fire thorn, pyracanth.

firethorn (noun)	Pyracantha (noun)
any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries	any of various thorny shrubs of the genus Pyracantha bearing small white flowers followed by hard red or orange-red berries