metrification vs authorship

metrification and authorship both are nouns.

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

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

metrification: writing a metrical composition (or the metrical structure of a composition)
authorship: the act of creating written works

Other hypernyms of metrification include composition, penning, writing.

metrification (noun)	authorship (noun)
the act of changing from imperial units of measurement to metric units: meters, grams, seconds	the act of creating written works
writing a metrical composition (or the metrical structure of a composition)	the act of initiating a new idea or theory or writing