minimization vs reduction

minimization and reduction both are nouns.

Word	Noun	Adjective	Verb	Adverb
minimization	Yes	No	No	No
reduction	Yes	No	No	No

As nouns, reduction is a hypernym of minimization; that is, reduction is a word with a broader meaning than minimization:

minimization: the act of reducing something to the least possible amount or degree or position
reduction: the act of decreasing or reducing something

Other hypernyms of minimization include decrease, diminution, step-down.

minimization (noun)	reduction (noun)
the act of reducing something to the least possible amount or degree or position	the act of decreasing or reducing something
	the act of reducing complexity
	any process in which electrons are added to an atom or ion (as by removing oxygen or adding hydrogen); always occurs accompanied by oxidation of the reducing agent