ESPOO

Set to 2 different clues across 2 published puzzles, most often “Neighbor of Helsinki” — The New York Times, Friday, 6 June 2008.

5 letters

Every clue on record, most used first

Neighbor of Helsinkionce
The New York Times — Friday, 6 June 2008
Finland's second-largest cityonce
The New York Times — Saturday, 7 February 2004