失 - lose, error, fault

rudeness; impoliteness; disrespect; impertinence

failure; mistake; blunder

losing one's position; losing one's standing; downfall; fall (from power); being overthrown

lost point (in a game); point given away; conceded goal

failure story; horror story

loss (of assets, profit, etc.)

accident (caused by negligence); error; blunder

disappointment; despair

unemployment

lost article; lost property

advantages and disadvantages; plus and minuses

to lose sight of; to miss