comprehensiveness vs largeness

comprehensiveness and largeness both are nouns.

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

As nouns, comprehensiveness and largeness are synonyms defined as:

comprehensiveness and largeness: the capacity to understand a broad range of topics

Other synonyms of comprehensiveness include breadth.

comprehensiveness (noun)	largeness (noun)
the capacity to understand a broad range of topics	the property of having a relatively great size
completeness over a broad scope	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