metrication vs metrification

metrication and metrification both are nouns.

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

As nouns, metrication and metrification are synonyms defined as:

metrication and metrification: the act of changing from imperial units of measurement to metric units: meters, grams, seconds

metrication (noun)	metrification (noun)
the act of changing from imperial units of measurement to metric units: meters, grams, seconds	the act of changing from imperial units of measurement to metric units: meters, grams, seconds
	writing a metrical composition (or the metrical structure of a composition)