sea ash vs toothache tree

sea ash and toothache tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea ash	Yes	No	No	No
toothache tree	Yes	No	No	No

As nouns, sea ash and toothache tree are synonyms defined as:

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

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

sea ash (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