This isn't a substitution.
It's a REDUCTION.
The Big Bang Theory Season 1, Episode 7
a prison sentence REDUCTION,
that in one or two years you’ll be out.
Money Heist Season 1, Episode 11
a REDUCTION in you prison sentence
to two years.
Money Heist Season 1, Episode 11
at least a 25- to 35-percent
REDUCTION in tumor mass,
Breaking Bad Season 2, Episode 9
-to the REDUCTION of scale problem.
-(HORN BLARING)
The Big Bang Theory Season 10, Episode 19