... Biªn so¹n TrÇn Minh S¬n576 ENGLISH DERIVATIVES CÇu 7 – N¡M 2009 Bien Soan : Tran Minh Son576 01 Nouns ability, disability, inability ... escape essentially estimate, overestimate, underestimate event, non-event eventful, uneventful, eventual exam, examination, cross-examination, examiner excellence excellent excitement excitable, ... excitable, excited, exciting, unexciting excuse excusable, inexcusable existence non-existent, existing, pre-existing expectancy, expectation expectant, unexpected expenditure, expense, expenses...