The capital that has only 3 letters is "Rome" which is the capital of Italy.
Edo
All of them
3. Actually, it is the only English word with 3 sets of double letters in a row.
Letters-xy and v but I'm not sure
Fiji has four letters and its capital, Suva has four letters. :) Peru; capital is Lima Togo; capital is Lomé
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successfully
bookkeeper
3 state capitals have 5 letters: · Boise, Idaho · Dover, Delaware · Salem, Oregon
16 capital letters
re is small letters; RE is capital letters.