William Knowles has a list of Spook Words that supposedly raise an eyebrow among the spies assigned to monitor our communications. A selection of terms you can sprinkle upon your correspondences to befuddle our monitors:

Reno, Passwords, White House, Mayfly, MSNBC, COSMOS, Active X, Steve Case, Tools, Military Intelligence, Scully, Bubba, spook words, NAVWCWPNS, USACIL, SACLANT, Echelon,WANK, Colonel, nitrate, enigma, Bletchley Park, Capricorn, Guppy, Ionosphere, Mole, Keyhole, Artichoke, Cornflower, r00t, lock picking, Porno, Fax, finks, Fax encryption, white noise, pink noise, redheads, Pornstars, toad, fish, Elvis, quiche, sneakers, Juiliett Class Submarine, Blowpipe, Nerd, Speakeasy, Keyhole, Wackenhutt, Weekly World News, Zen, World Domination, Salsa, 7, Blowfish, Bubba the Love Sponge, Blackbird, plutonium, Texas, jihad, Sears Tower, NORAD, Delta Force, garbage, market, beef, Stego, unclassified, utopia, orthodox, Alica, SHA, Global, gorilla, Bob, veggie, 3848, speedbump, illuminati, president, freedom, cocaine, $, Roswell, assasinate, virus, anarchy, rogue, mailbomb, 888, Chelsea, 1997, Whitewater, William Gates, clone, eternity server, sardine, Red Cell, Glock 26, snuffle, Patel, package, froglegs, Aladdin, chameleon man, rail gun, 17, 312, Halibut, Flu, DynCorp, THAAD, package, chosen, PRIME.