Zanthoxylum americanum vs sea ash

Zanthoxylum americanum and sea ash both are nouns.

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

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

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

Other synonyms of Zanthoxylum americanum include toothache tree, Zanthoxylum fraxineum.

Zanthoxylum americanum (noun)	sea ash (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