roominess vs largeness

roominess and largeness both are nouns.

Word	Noun	Adjective	Verb	Adverb
roominess	Yes	No	No	No
largeness	Yes	No	No	No

As nouns, largeness is a hypernym of roominess; that is, largeness is a word with a broader meaning than roominess:

roominess: spatial largeness and extensiveness (especially inside a building)
largeness: the property of having a relatively great size

Other hypernyms of roominess include bigness.

As nouns, largeness is a hypernym of roominess; that is, largeness is a word with a broader meaning than roominess:

Other hypernyms of roominess include breadth, comprehensiveness.

roominess (noun)	largeness (noun)
spatial largeness and extensiveness (especially inside a building)	the property of having a relatively great size
intellectual breadth	large or extensive in breadth or importance or comprehensiveness
	the quality of being pretentious (behaving or speaking in such a manner as to create a false appearance of great importance or worth)
	the capacity to understand a broad range of topics