Nouns

(n)scraping(usually plural) a fragment scraped off of something and collected“they collected blood scrapings for analysis”
(n)scrape, scraping, scratch, scratchinga harsh noise made by scraping“the scrape of violin bows distracted her”
(n)scrape, scrapinga deep bow with the foot drawn backwards (indicating excessive humility)“all that bowing and scraping did not impress him”