What's the difference between Dampings and Dumpings?

As nouns the difference between dampings and dumpings

is that dampings is plural of damping while dumpings is plural of dumping.

(head)

(head)

(wikipedia damping) (en noun)

The reduction in the magnitude of oscillations by the dissipation of energy

The stabilization of a physical system by reducing oscillation

(head)

(head)

(en noun)

the disposal of something no longer needed, or of no value

selling goods at less than their normal price, especially in the export market as a means of securing a monopoly