schematisation vs reduction

schematisation and reduction both are nouns.

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

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

Other hypernyms of schematisation include simplification.

schematisation (noun)	reduction (noun)
providing a chart or outline of a system	the act of decreasing or reducing something
the act of reducing to a scheme or formula	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