pumpkin ash vs Fraxinus tomentosa

pumpkin ash and Fraxinus tomentosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
pumpkin ash	Yes	No	No	No
Fraxinus tomentosa	Yes	No	No	No

As nouns, pumpkin ash and Fraxinus tomentosa are synonyms defined as:

pumpkin ash and Fraxinus tomentosa: timber tree of central and southeastern United States having hairy branchlets and a swollen trunk base

pumpkin ash (noun)	Fraxinus tomentosa (noun)
timber tree of central and southeastern United States having hairy branchlets and a swollen trunk base	timber tree of central and southeastern United States having hairy branchlets and a swollen trunk base