Edinburgh and Dublin are two.
ambidextrous
regulations
fractionneighborreactionrelationsailboattrianglegratefulponytailpowerfulshamefulshamrock
Some nine letter words with repeating letters are effective, attention, officials, essential, announced, immediate, efficient, addresses, and appointed. There are numerous others.
PrecedeTreatedRoundedPlayfulCountry
ambidextrous
fractionneighborreactionrelationsailboattrianglegratefulponytailpowerfulshamefulshamrock
regulations
Some nine letter words with repeating letters are effective, attention, officials, essential, announced, immediate, efficient, addresses, and appointed. There are numerous others.
PrecedeTreatedRoundedPlayfulCountry
Nottingham
There are many US cities that have 5 letters in their name. Some are Miami, Akron, Alcoa, Butte, and Austin.
lovebird
Oratory.
agenda
Some Roman cities with six letters were Ancona, Aquila, Ammara, Capena, Emona, Hadria, Mutina, Ragusa and Verona.
Tennessee