broad vs comprehensive

broad and comprehensive both are nouns.

Word	Noun	Adjective	Verb	Adverb
broad	Yes	Yes	No	No
comprehensive	Yes	Yes	No	No

broad (noun)	comprehensive (noun)
slang term for a woman	an intensive examination testing a student's proficiency in some special field of knowledge

broad (adjective)	comprehensive (adjective)
having great (or a certain) extent from one side to the other	including all or everything
showing or characterized by broad-mindedness	broad in scope
lacking subtlety; obvious
broad in scope or content
not detailed or specific
being at a peak or culminating point
very large in expanse or scope
(of speech) heavily and noticeably regional