talkbacktalk‧back /ˈtɔːkbæk $ ˈtɒːk-/ noun [uncountable] 
an electronic system used in a film or television studio, so that someone can talk to someone else without other people hearing them
an electronic system used in a film or television studio, so that someone can talk to someone else without other people hearing them- extort
- extortion
- extortionate
- extortionately
- extortionist
- extra
- extra-
- extract
- extraction
- extractor
- extracurricular
- extraditable
- extradite
- extradition
- extrajudicial
- extramarital
- extramural
- extraneous
- extranet
- extraordinaire
- extraordinarily
- extraordinary
- extraordinary rendition
- extrapolate
- extrapolation