rowan vs Sorbus aucuparia

rowan and Sorbus aucuparia both are nouns.

Word	Noun	Adjective	Verb	Adverb
rowan	Yes	No	No	No
Sorbus aucuparia	Yes	No	No	No

As nouns, rowan and Sorbus aucuparia are synonyms defined as:

rowan and Sorbus aucuparia: Eurasian tree with orange-red berrylike fruits

Other synonyms of rowan include European mountain ash, rowan tree.

rowan (noun)	Sorbus aucuparia (noun)
Eurasian tree with orange-red berrylike fruits	Eurasian tree with orange-red berrylike fruits