kilopede

a case of inconsistent prefixes:

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kilometer = 1000 meters
centimeter = 1/100 meters
cent = 1/100 dollars
centavo = 1/100 pesos
century = 100 years
centipede = arthropod with ~100 feet
millimeter = 1/1000 meters
milligram = 1/1000 grams
millenium = 1000 years
millipede = arthropod with ~1000 feet
...
...
...
Therefore I conclude that prefixes are reciprocal invariant!