silver pine vs westland pine

silver pine and westland pine both are nouns.

Word	Noun	Adjective	Verb	Adverb
silver pine	Yes	No	No	No
westland pine	Yes	No	No	No

As nouns, silver pine and westland pine are synonyms defined as:

silver pine and westland pine: timber tree of New Zealand having shiny white wood

Other synonyms of silver pine include Lagarostrobus colensoi.

silver pine (noun)	westland pine (noun)
tall pine of western North America with stout blue-green needles; bark is grey-brown with rectangular plates when mature	timber tree of New Zealand having shiny white wood
timber tree of New Zealand having shiny white wood