mask;  veil;  disguise;  anonymous;  unmarked;  incognito
 concealment (of one's vices);  veil;  cover;  overturning;  toppling
 what's done is done;  it is no use crying over spilt milk; (lit.) spilt water won't go back into its tray
 anonymous author;  pseudonymous author;  writer who conceals his identity
 restoration;  repair;  mending
 masked burglar;  masked bandit
 silk pouch with drawstring for holding a tea caddy (tea ceremony)
 ejector housing (rifle, pistol)
 Fukurin gardenia;  Gardenia jasminoide
 verbal arithmetic;  alphametic;  cryptarithmetic;  cryptarithm;  word addition
 Pieris japonica;  fukurin;  Lily of the valley bush;  andromeda
 fire resistive covering;  fireproof coating;  fireproof covering
 fire resistive covering material
 fukubachi;  inverted bowl that sits above the base of a pagoda finial