pinetum vs tree farm

pinetum and tree farm both are nouns.

Word	Noun	Adjective	Verb	Adverb
pinetum	Yes	No	No	No
tree farm	Yes	No	No	No

As nouns, tree farm is a hypernym of pinetum; that is, tree farm is a word with a broader meaning than pinetum:

pinetum: an area planted with pine trees or related conifers
tree farm: a forest (or part of a forest) where trees are grown for commercial use

pinetum (noun)	tree farm (noun)
an area planted with pine trees or related conifers	a forest (or part of a forest) where trees are grown for commercial use