rubric vs heading

rubric and heading both are nouns.

Word	Noun	Adjective	Verb	Adverb
rubric	Yes	No	Yes	No
heading	Yes	No	No	No

As nouns, heading is a hypernym of rubric; that is, heading is a word with a broader meaning than rubric:

rubric: a title or heading that is printed in red or in a special type
heading: a line of text serving to indicate what the passage below it is about

Other hypernyms of rubric include title, head, header.

As nouns, heading is a hypernym of rubric; that is, heading is a word with a broader meaning than rubric:

rubric: a heading that names a statute or legislative bill; may give a brief summary of the matters it deals with
heading: a line of text serving to indicate what the passage below it is about

Other hypernyms of rubric include head, header.

rubric (noun)	heading (noun)
category name	a horizontal (or nearly horizontal) passageway in a mine
a title or heading that is printed in red or in a special type	a line of text serving to indicate what the passage below it is about
an explanation or definition of an obscure word in a text	the direction or path along which something moves or along which it lies
an authoritative rule of conduct or procedure
directions for the conduct of Christian church services (often printed in red in a prayer book)
a heading that names a statute or legislative bill; may give a brief summary of the matters it deals with

rubric (verb)	heading (verb)
adorn with ruby red color