Zanthoxylum fraxineum vs toothache tree

Zanthoxylum fraxineum and toothache tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Zanthoxylum fraxineum	Yes	No	No	No
toothache tree	Yes	No	No	No

As nouns, Zanthoxylum fraxineum and toothache tree are synonyms defined as:

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

Other synonyms of Zanthoxylum fraxineum include sea ash, Zanthoxylum americanum.

Zanthoxylum fraxineum (noun)	toothache tree (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