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Test your knowledge with the World's Largest Isogram Cities Quiz! Can you name the 100 largest cities with unique letter combinations? Find out now!

Do abbreviations or alternate spellings count?

Yes. Most quizzes allow common abbreviations, alternate spellings, and short forms. Try typing just the first few letters — if it matches, it will autofill.

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World Largest Isogram Cities

Directions

Name the 100 largest World cities whose names are isograms. An isogram is a word (city name in this case) with no repeating letters – i.e. no letter appears more than once. Time is short on this and time bonuses are not that much otherwise it becomes just guessing cities without thinking if they are isograms. Population and name length shown – tried to use most common English spelling when determining if city was an isogram.

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