exhaustion

excavation = ex(出) + cav(洞) + ate(做，使) + ion(表名词) = 出洞→挖掘

exceedingly = ex(出) + ceed(走) + ing(形容词) + ly(表副词) = 走出→超出地

exhaustive = ex(出) + haust(抽水) + ive(...的) = 抽干的→彻底的

abrasion = ab(表加强) + ras(刮擦) + ion(表名词) = 磨损

abstraction = abs(离去) + tract(拉) + ion(表名词) = 被拉开→抽象