Contusion
Part of speech: noun
Definition: A wound, such as a bruise, in which the skin is not broken; often having broken blood vessels and discolouration
Abrasion
Part of speech: noun
Definition: The act of abrading, wearing, or rubbing off; the wearing away by friction.The substance thus rubbed off.A superficial excoriation, with loss of substance under the form of small shreds.The effect of mechanical erosion of rock, especially a river bed, by rock fragments scratching and scraping it.