reduction

As nouns the difference between enlargement and reduction

is that enlargement is the act of making something larger while reduction is the act, process, or result of reducing.

As nouns the difference between degradation and reduction

is that degradation is degradation while reduction is reduction.

As a noun reduction is

reduction.

As nouns the difference between threshold and reduction

is that threshold is the bottom-most part of a doorway that one crosses to enter; a sill while reduction is reduction.

Rebate is a synonym of reduction.

As nouns the difference between reduction and rebate

is that reduction is the act, process, or result of reducing while rebate is a deduction from an amount to be paid; an abatement.

As a verb rebate is

to deduct or return an amount from a bill or payment.

As nouns the difference between reduction and subtraction

is that reduction is the act, process, or result of reducing while subtraction is (uncountable) The process of subtracting a number from another.

Reduction is a related term of wane.

As nouns the difference between reduction and wane

is that reduction is reduction while wane is a gradual diminution in power, value, intensity etc or wane can be (scotland|slang) a child or wane can be (chiefly|northern england|and|scotland|obsolete) a house or dwelling.

As a verb wane is

(label) to progressively lose its splendor, value, ardor, power, intensity etc; to decline.

Restraint is a related term of reduction.

As nouns the difference between restraint and reduction

is that restraint is (countable) something that restrains, ties, fastens or secures while reduction is reduction.