Verb eat away has 2 senses
  1. erode, eat away, fret - remove soil or rock; "Rain eroded the terraces"
    --1 is one way to damage
    Sample sentence:
    Something ----s something
  2. fret, eat away - wear away or erode
    --2 is one way to corrode, rust
    Sample sentence:
    Something ----s something
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