versification vs authorship

versification and authorship both are nouns.

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

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

Other hypernyms of versification include composition, penning, writing.

versification (noun)	authorship (noun)
the art or practice of writing verse	the act of creating written works
the form or metrical composition of a poem	the act of initiating a new idea or theory or writing
a metrical adaptation of something (e.g., of a prose text)