In addition, the Hungarian towns of Kiskőrös and Nagykőrös are often commonly referred to as Kőrös – as "ő" is simply the long variant of "ö" with the difference being almost negligible.
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In the late Middle Ages, it was common for Hungarian noble families with names derived in a similar way from a toponym to spell their names with "y" at the end instead of "i", and/or with a doubled consonant before it.