buttonwood vs Platanus occidentalis

buttonwood and Platanus occidentalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
buttonwood	Yes	No	No	No
Platanus occidentalis	Yes	No	No	No

As nouns, buttonwood and Platanus occidentalis are synonyms defined as:

buttonwood and Platanus occidentalis: very large spreading plane tree of eastern and central North America to Mexico

Other synonyms of buttonwood include American plane, American sycamore.

buttonwood (noun)	Platanus occidentalis (noun)
very large spreading plane tree of eastern and central North America to Mexico	very large spreading plane tree of eastern and central North America to Mexico