1) Abrase 2) Apply friction to 3) Chafe 4) Corrade 5) Excoriate 6) Fret 7) Get grating 8) Grate 9) Grind 10) Irritate 11) Rasp 12) Really rub 13) Roughen 14) Rub away 15) Rub away by friction 16) Rub down 17) Rub hard or scrub 18) Rub off 19) Rub raw 20) Rub the wrong way 21) Rub with a rasp 22) Rub with emery 
• (v. t.) To rub or wear off; to waste or wear away by friction; as, to abrade rocks. • (v. t.) Same as Abraid.
To wear down or rub away by friction; erode.
1. To wear away by mechanical action. ... 2. To scrape away the surface layer from a part. ... Origin: L. Ab-rado, pp. -rasus, to scrape off ... (05 Mar 2000) ... 
A·brade' transitive verb Same as Abraid . [ Obsolete]Ab·rade' transitive verb [ imperfect & past participle Abraded ; present participle & verbal noun Abrading .] [ Latin abradere , abrasum , to scrape off; ab + radere to scrape. See Rase , Raze
Type: Term Pronunciation: ă-brād′ Definitions: 1. To wear away by mechanical action. 2. To scrape away part or all of the surface layer from a part.
[v] - wear away
corrade verb wear away
to wear off or down by scraping or rubbing. · to scrape off.