Casuarina equisetfolia vs Australian pine

Casuarina equisetfolia and Australian pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
Casuarina equisetfolia	Yes	No	No	No
Australian pine	Yes	No	No	No

As nouns, Casuarina equisetfolia and Australian pine are synonyms defined as:

Casuarina equisetfolia and Australian pine: common Australian tree widely grown as an ornamental in tropical regions; yields heavy hard red wood

Casuarina equisetfolia (noun)	Australian pine (noun)
common Australian tree widely grown as an ornamental in tropical regions; yields heavy hard red wood	common Australian tree widely grown as an ornamental in tropical regions; yields heavy hard red wood