Difference between Decrease and Lessening

DECREASE vs LESSENING: NOUN

The act of decreasing or reducing something
The amount by which something decreases
A change downward
A process of becoming smaller or shorter
The act or process of decreasing.
A becoming less; diminution; wane (as applied to the moon); decay: as, a rapid decrease of revenue or of strength.
The amount by which something is lessened; extent of loss or decrement: as, a great decrease in production or of income.
A becoming less; gradual diminution; decay.
The wane of the moon.
An amount by which a quantity is decreased.
A reduction in the number of stitches, usually accomplished by suspending the stitch to be decreased from another existing stitch or by knitting it together with another stitch. See Decrease (knitting).

To grow less, -- opposed to increase; to be diminished gradually, in size, degree, number, duration, etc., or in strength, quality, or excellence.

Make become smaller
To become less; lessen; be diminished gradually in extent, bulk, quantity, or amount, or in strength, influence, or excellence: as, the days decrease in length from June to December.
To make less; lessen; make smaller in dimensions, amount, quality, excellence, etc.; reduce gradually or by small deductions.
(intransitive; transitive verb) To become or cause to become less or smaller, as in number, amount, or intensity.

Reduce, Reduced, Reductions, Decline, Increase, Step down, Minify, Drop off, Fall, Decrement, Diminish, Lessen, Lessening, Diminution, Reduction

Diminution, Mitigating, Relieving, Reduced, Minimize, Lowering, Reduce, Alleviating, Easing, Minimizing, Diminishing, Reducing, Drop off, Decrease, Decreasing

Shrinkage, Deterioration, Reducing, Lower, Reduce, Reduced, Decline, Increase, Drop off, Fall, Decrement, Diminish, Lessen, Lessening, Diminution

Diminution, Mitigating, Relieving, Reduced, Minimize, Lowering, Reduce, Alleviating, Easing, Minimizing, Diminishing, Reducing, Drop off, Decrease, Decreasing

Each quarter we evaluate the fairvalue of our MSRs, and any decrease in fair value reduces earningsin the period in which the decrease occurs.
Paradoxically, economic theory suggests that this decrease in demand and subsequent decrease in cost of using the resource could cause a rebound in demand.
Moreover, because demand is negatively sloped, the increase in price would decrease total units sold, which would almost certainly decrease total cost.
May cause a decrease in blood pressure, a decrease in pulse, and syncope.
As they move apart the accelerations on each will decrease because the force will decrease.
The decrease in selling expenses is attributable to a decrease in advertising expense and bad debt expense.
Usually when you start an intervention this rate will decrease, then increase and finally decrease.
This decrease was primarily due to a decrease in voice and handset revenues.
It can decrease blood flow to an area and decrease swelling.
Debt Service decrease is the result of a decrease in interest expense as compared to last year due to a decrease in principal balance.