useless trivia: What Word Means: To Dishearten - To Unnerve?

Questions

9% of Americans reported having been in the presence of a---------- .?

---------- of food poisoning cases are never reported.?

95% of ---------- cases are never reported.?

---------- of Canadians say they would not borrow a toothbrush if they forgot to pack their own.?

97% of ---------- say they would not borrow a toothbrush if they forgot to pack their own.?