extemporizationextemporizeextendextendableextendedextended careextended familyextended precisionextendedlyextendeo coreextenderextendersextendibleextenibilityextensibilityextensibleextensible languageextensileextensionextensiontableextensityextensiveextensive agricultuseextensivelyextensivenessextensometerextensorextentextenuateextenuatextentextenuatingextenuating circumstancesextenuationextenuativeextenuatoryexteriorexterior angleexteriorityexteriorizationexteriorizeexteriorlyexterminableexterminateexterminationexterminativeexterminatorexterminatoryexternexternalexternal combustion engine