drafting vs authorship

drafting and authorship both are nouns.

Word	Noun	Adjective	Verb	Adverb
drafting	Yes	No	No	No
authorship	Yes	No	No	No

As nouns, authorship is a hypernym of drafting; that is, authorship is a word with a broader meaning than drafting:

Other hypernyms of drafting include composition, penning, writing.

drafting (noun)	authorship (noun)
the creation of artistic pictures or diagrams	the act of creating written works
writing a first version to be filled out and polished later	the act of initiating a new idea or theory or writing
the craft of drawing blueprints