split-second vs stound

split-second

• The nick of time; a brief moment. 

stound

• A moment or instance of urgency; exigence. 

• A receptacle for holding small beer. 

• A sharp or sudden pain; a shock, an attack. 

• A stroke or blow (from an object or weapon); (by extension) a lashing; scourging 

• A stand; a stop. 

• A fit, an episode or sudden outburst of emotion; a rush. 

• Astonishment; amazement. 

• To stop to listen; pause.