bayberry vs Pimenta acris

bayberry and Pimenta acris both are nouns.

Word	Noun	Adjective	Verb	Adverb
bayberry	Yes	No	No	No
Pimenta acris	Yes	No	No	No

As nouns, bayberry and Pimenta acris are synonyms defined as:

Other synonyms of bayberry include bay-rum tree, Jamaica bayberry, wild cinnamon.

bayberry (noun)	Pimenta acris (noun)
West Indian tree; source of bay rum	West Indian tree; source of bay rum
deciduous aromatic shrub of eastern North America with grey-green wax-coated berries