Difference between Dampen and Constrain

DAMPEN vs CONSTRAIN: VERB

To keep within certain limits; confine or limit.
To inhibit or restrain; hold back.
To compel by physical, moral, or circumstantial force; oblige.
To produce in a forced or inhibited manner.
To secure by bonds; to chain; to bond or confine; to hold tightly; to constringe.
To bring into a narrow compass; to compress.
To hold back by force; to restrain; to repress.
To compel; to force; to necessitate; to oblige.
To violate; to ravish.
To produce in such a manner as to give an unnatural effect.

Keep in check (a fire)
Check
Suppress or constrain so as to lessen in intensity
To put a check or damper upon; make weak or dull; dim; deaden. See damp.
To make damp or humid; apply moisture to; wet slightly; damp: as, the grass was dampened by a slight shower; to dampen clothes for ironing.

In general, to exert force, physical or moral, upon, either in urging to action or in restraining from it; press; urge; drive; restrain.
Hence To urge with irresistible power, or with a force sufficient to produce the effect; compel; necessitate; oblige.
To confine or hold by force; restrain from escape or action; repress or compress; bind.
To check; repress; hinder; deter.
To force.
In mech.: To prevent the occurrence of (motion), except in a particular direction: as, the relative motions of the parts of any machine are always constrained.
To prevent the operation of the motion of (a material point or body), except in a particular and definite manner: as, to constrain a part of a mechanism.
Compel to behave in a certain way
To close within bounds, or otherwise limit or deprive of free movement
Severely restrict in scope or extent

Diminish, Hinder, Hamper, Tone down, Mute, Wash, Moisten, Dull, Break, Deaden, Muffle, Damp, Soften, Weaken, Stifle

Constrict, Hinder, Circumscribe, Inhibit, Hamper, Undermine, Impede, Restrict, Curtail, Tighten up, Cumber, Stiffen, Tighten, Encumber, Restrain

Diminish, Hinder, Hamper, Tone down, Mute, Wash, Moisten, Dull, Break, Deaden, Muffle, Damp, Soften, Weaken, Stifle

Impair, Constrict, Hinder, Circumscribe, Inhibit, Hamper, Undermine, Impede, Restrict, Curtail, Tighten up, Stiffen, Tighten, Encumber, Restrain

How do international capital markets constrain policy space?
UNIQUE constrain, because NULL is not a value.
Increased frequency of security patches can constrain operations.
Are historical records sufficient to constrain ENSO simulations?
United States to constrain China in the region.
The PCD TF does not further constrain thifield.
Did being a poet help or constrain you?
It may be a constrain in improving something that may be a constrain.
You can constrain the part instance to be fixed in space, or you can constrain it to follow selected nodes.
To constrain or not to constrain, and other stories of intensive upper extremity training for children with unilateral cerebral palsy.