op. vs spook

op.

• A detective. 

• Opportunity. 

• Opus. 

• Operation. 

• Operative. 

• Operator. 

• An operator's license, usually ops 

spook

• An undercover agent or spy. 

• A ghost or phantom. 

• A hobgoblin. 

• A scare or fright. 

• A psychiatrist. 

• A player who engages in hole carding by attempting to glimpse the dealer's hole card when the dealer checks under an ace or a 10 to see if a blackjack is present. 

• A metaphysical manifestation; an artificial distinction or construct. 

• To frighten or make nervous (especially by startling). 

• To become frightened (by something startling). 

• To haunt.