"No" - traditionally used over a radio where the short word "no" could easily get lost in static. Radio operators (and people who heard them) have brought it into face to face language.
<trucker 1 over radio> Is my turn signal working?
<trucker 2> No.
<trucker 1> Say that again, you broke up.
<trucker 2> Negatory. It's not working.
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