Possible Clues:

• Rush up to catch train starting to stop
• Discourage Morse creator missing dash dot dot dash?
• Discourage (an activity)
• Put off by the German and French inside
• Prevent animal swallowing the tin opener
• Time inside does possibly frighten
• Prevent by instilling fear
• Resolve to put mine off thus
• Discourage from doing something
• Put off portion of French potatoes