Nouns

(n)abrasion, scratch, scrape, excoriationan abraded area where the skin is torn or worn off
(n)incision, scratch, prick, slit, denta depression scratched or carved into a surface
(n)scratcha competitor who has withdrawn from competition
(n)start, starting line, scratch, scratch linea line indicating the location of the start of a race or a game
(n)chicken feed, scratchdry mash for poultry
(n)scrape, scraping, scratch, scratchinga harsh noise made by scraping“the scrape of violin bows distracted her”
(n)scratch(golf) a handicap of zero strokes“a golfer who plays at scratch should be able to achieve par on a course”
(n)scratch, scrape, scar, markan indication of damage

Verbs

(v)rub, fray, fret, chafe, scratchcause friction“my sweater scratches”
(v)scratch, scrape, scratch upcut the surface of; wear away the surface of
(v)rub, scratch, itchscrape or rub as if to relieve itching“Don't scratch your insect bites!”
(v)cancel, call off, scratch, scrubpostpone indefinitely or annul something that was scheduled“Call off the engagement”, “cancel the dinner party”, “we had to scrub our vacation plans”, “scratch that meeting — the chair is ill”
(v)strike, scratch, expunge, exciseremove by erasing or crossing out or as if by drawing a line“Please strike this remark from the record”, “scratch that remark”
(v)scrape, scrape up, scratch, come upgather (money or other resources) together over time“She had scraped together enough money for college”, “they scratched a meager living”
(v)scratch, engrave, grave, inscribecarve, cut, or etch into a material or surface“engrave a pen”, “engraved the trophy cup with the winner's name”, “the lovers scratched their names into the bark of the tree”