goblin;  apparition;  monster;  ghost;  phantom;  spectre
 ghost;  apparition;  goblin;  monster;  something unusually large
 goblin;  apparition;  monster;  ghost;  phantom;  spectre
 monster cat;  cat with magical powers
 change;  metamorphosis;  transformation
 corruption (of text, e.g. in email, due to improper encoding);  garbling;  illegal character;  corrupted text;  garbled text
 kabuki dance in which the dancer quickly changes his clothes seven times;  the seven common disguises of ninja
 masking one's true character;  disguise;  sheep's clothing
 parity check (data, memory, etc.)
 card that can be counted as more than one type of card for scoring combinations (e.g. the sake cup card or the November suit)