versification vs penning

versification and penning both are nouns.

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

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

Other hypernyms of versification include authorship, composition, writing.

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