quantification vs mensuration

quantification and mensuration both are nouns.

Word	Noun	Adjective	Verb	Adverb
quantification	Yes	No	No	No
mensuration	Yes	No	No	No

As nouns, mensuration is a hypernym of quantification; that is, mensuration is a word with a broader meaning than quantification:

quantification: the act of discovering or expressing the quantity of something
mensuration: the act or process of assigning numbers to phenomena according to a rule

Other hypernyms of quantification include measure, measurement, measuring.

quantification (noun)	mensuration (noun)
the act of discovering or expressing the quantity of something	the act or process of assigning numbers to phenomena according to a rule
a limitation imposed on the variables of a proposition (as by the quantifiers `some' or `all' or `no')