Mike, WM4B, posted this to the Second Class Operator’s Club mailing list. Truly second class, Mike!

• 10⁶ bicycles = 2 megacycles
• 500 millinaries = 1 seminary
• 2000 mockingbirds = 2 kilomockingbirds
• 10 cards = 1 decacards
• 1/2 lavatory = 1 demijohn
• 10^-6 fish = 1 microfiche
• 454 graham crackers = 1 pound cake
• 10¹² pins = 1 terrapin
• 10²¹ picolos = 1 gigolo
• 10 rations = 1 decoration
• 100 rations = 1 C-ration
• 10 millipedes = 1 centipede
• 3-1/3 tridents = 1 decadent
• 10 monologs = 5 dialogues
• 5 dialogues = 1 decalogue
• 2 monograms = 1 diagram
• 8 nickels = 2 paradigms
• 2 snake eyes = 1 paradise
• 2 wharves = 1 paradox
• 10^-6 phones = 1 microphone
• 10⁶ phones = 1 megaphone
• 10^-2 mental = 1 centimental
• 10^-1 mate = 1 decimate
• 10¹² bulls = 1 terabull
• 10^-12 boos = 1 picoboo