1) Abrade 2) Abrase 3) Rub down 4) Rub off 5) To accumulate laboriously 6) To gnaw into 7) To scrape or rake together 8) To wear away 9) Wear away 10) Wear away by abrasion 11) Wear off 1) Abrade 2) Abrase 
to wear away through the action of loose solids
• (v. t.) To erode, as the bed of a stream. See Corrosion. • (v. t.) To gnaw into; to wear away; to fret; to consume.
Cor·rade' transitive verb [ Latin corradere , -rasum ; cor- + radere to rub.] 1. To gnaw into; to wear away; to fret; to consume. [ Obsolete] Dr. R. Clerke. 2. (Geol.) To erode, as the bed of a stream. See Corrosion .