shingle tree vs Acrocarpus fraxinifolius

shingle tree and Acrocarpus fraxinifolius both are nouns.

Word	Noun	Adjective	Verb	Adverb
shingle tree	Yes	No	No	No
Acrocarpus fraxinifolius	Yes	No	No	No

As nouns, shingle tree and Acrocarpus fraxinifolius are synonyms defined as:

shingle tree and Acrocarpus fraxinifolius: East Indian timber tree with hard durable wood used especially for tea boxes

shingle tree (noun)	Acrocarpus fraxinifolius (noun)
East Indian timber tree with hard durable wood used especially for tea boxes	East Indian timber tree with hard durable wood used especially for tea boxes