掻攫う[kassarau] to nab
藻掻く[mogaku] to struggle
悪足掻き[waruagaki] useless resistance
引掻く[hikkaku] to scratch
隔靴掻痒[kakkasouyou] being frustrated because something is not quite as hoped (just as one cannot scratch an itch from outside a shoe)

汗を掻く[asewokaku] to perspire
犬掻き[inukaki] dog paddle (swimming style)
掻き回す[kakimawasu] to stir up
掻き合わせる[kakiawaseru] to adjust
掻き込む[kakikomu] to carry under the arm

水疱瘡[mizubousou] chickenpox
瘡痕[soukon] scar
凍瘡[tousou] chilblains
痘瘡[tousou] smallpox
疱瘡[housou] smallpox

蓐瘡[jokusou] bedsore
鵝口瘡[gakousou] thrush (pediatric disease)
瘡蓋[kasabuta] crust
瘡掻き[kasakaki] person with skin disease (esp. syphilis)
瘡っかき[kasakkaki] person with skin disease (esp. syphilis)