1 million microphones = 1 megaphone
1 million bicycles = 2 megacycles
2000 mockingbirds = two kilomockingbirds
10 cards = 1 decacards
½ lavatory = 1 demijohn
1 millionth of a fish = 1 microfiche
453.6 graham crackers = 1 pound cake
10 rations = 1 decoration
10 millipedes = 1 centipede
3 1/3 tridents = 1 decadent
10 monologs = 5 dialogues
2 monograms = 1 diagram
8 nickels = 2 paradigms
2 baby sitters = 1 gramma grampa