orangery vs glasshouse

orangery and glasshouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
orangery	Yes	No	No	No
glasshouse	Yes	No	No	No

As nouns, glasshouse is a hypernym of orangery; that is, glasshouse is a word with a broader meaning than orangery:

orangery: a place where oranges are grown; a plantation of orange trees in warm climes or a greenhouse in cooler areas
glasshouse: a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions

Other hypernyms of orangery include greenhouse, plantation.

orangery (noun)	glasshouse (noun)
a place where oranges are grown; a plantation of orange trees in warm climes or a greenhouse in cooler areas	a building with glass walls and roof; for the cultivation and exhibition of plants under controlled conditions