Nouns

(n)discouragement, disheartenment, dismaythe feeling of despair in the face of obstacles
(n)alarm, dismay, consternationfear resulting from the awareness of danger

Verbs

(v)depress, deject, cast down, get down, dismay, dispirit, demoralize, demoraliselower someone's spirits; make downhearted“These news depressed her”, “The bad state of her child's health demoralizes her”
(v)dismay, alarm, appal, appall, horrifyfill with apprehension or alarm; cause to be unpleasantly surprised“I was horrified at the thought of being late for my interview”, “The news of the executions horrified us”