sea ash vs Zanthoxylum fraxineum

sea ash and Zanthoxylum fraxineum both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea ash	Yes	No	No	No
Zanthoxylum fraxineum	Yes	No	No	No

As nouns, sea ash and Zanthoxylum fraxineum are synonyms defined as:

sea ash and Zanthoxylum fraxineum: small deciduous aromatic shrub (or tree) having spiny branches and yellowish flowers; eastern North America

Other synonyms of sea ash include toothache tree, Zanthoxylum americanum.

sea ash (noun)	Zanthoxylum fraxineum (noun)
small deciduous aromatic shrub (or tree) having spiny branches and yellowish flowers; eastern North America	small deciduous aromatic shrub (or tree) having spiny branches and yellowish flowers; eastern North America