breadth vs comprehensiveness

breadth and comprehensiveness both are nouns.

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

As nouns, breadth and comprehensiveness are synonyms defined as:

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

Other synonyms of breadth include largeness.

breadth (noun)	comprehensiveness (noun)
the extent of something from side to side	the capacity to understand a broad range of topics
the capacity to understand a broad range of topics	completeness over a broad scope