Word: erode



Rust erodes metal. Water erodes the earth, forming canyons.

Comment below with feedback and suggestions.


  1. ragh means rust/corrode, but I think erosion also occurs via friction and not just chemical action.

  2. I agree with the friction part.  {ragh} works for positive action of "corroding".  But, I look at "erosion" as something else.  It is "an eating away" of the object.  My truck is rusting.  Okay, acid moisture in the air, i.e. oxydation, (I'm not a scientist) is eating at my trucks metal hull.  I'm wanting more the concept of a river's eating away the  rocks and forming a gorge.

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