Erodes

Storm damage continually erodes away at the coastline, most notably during El Niño years and other heavy storms.

Strangely, it's not the bombing of Vietnam or the destruction of Libya to the ground that erodes Western values. It's the presence of Muslims, Sikhs, and Hindus in the West that do.

Gradually, as the magnetic flux (a measurement of the quantity of magnetism) that comes up with the sunspots moves pole-ward it erodes the existing polar fields and replaces them with magnetic fields that have the opposite polarity.

The normalization of hate speech erodes social harmony.