reduction vs simplification

reduction and simplification both are nouns.

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

As nouns, reduction and simplification are synonyms defined as:

reduction (noun)	simplification (noun)
the act of decreasing or reducing something	elimination of superfluous details
the act of reducing complexity	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	an explanation that omits superfluous details and reduces complexity