The Spanish verb 'raspar' (meaning 'to scrape' or 'to rasp') comes from the Germanic word 'hraspôn', which meant 'to collect residue'. The word entered Spanish with the addition of the common Spanish verb suffix '-ar'. The evolution from 'collecting residue' to 'scraping' makes intuitive sense, as scraping often involves removing or collecting residual material from a surface.

A common related Spanish word is 'raspadura' (shavings or scrapings), which is directly derived from 'raspar'. Another related word is 'rasguño' (scratch), which shares the concept of surface abrasion.

The English word 'rasp' is closely related to the Spanish 'raspar', as they both come from the same Germanic root. A rasp is a coarse form of file used for scraping and shaping materials. The verb 'to rasp' means to scrape or file with a rasp, or to make a harsh, grating sound - similar to the sound made when scraping something.