largeness vs wideness

largeness and wideness both are nouns.

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

As nouns, wideness is a hyponym of largeness; that is, wideness is a word with a more specific, narrower meaning than largeness:

largeness (noun)	wideness (noun)
the property of having a relatively great size	the property of being wide; having great width
large or extensive in breadth or importance or comprehensiveness	unusual largeness in size or extent or number
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