non·fea·sance 
(nŏn-fēzəns)
(nŏn-fēzəns)n.
Failure to perform an act that is an official, contractual, or professional duty.
[NON- + (MIS)FEASANCE.]
- extrapolate
- extrapolation
- extrapolative
- extrapolator
- extrapyramidal
- extrasensory
- extrasensory perception
- extrasolar
- extrasystole
- extrasystolic
- extraterrestrial
- extraterritorial
- extraterritoriality
- extraterritorially
- extratropical
- extrauterine
- extravagance
- extravagancy
- extravagant
- extravagantly
- extravaganza
- extravagate
- extravasate
- extravasation
- extravascular