There isn't any. According to Cassell, although the letter K was included in the Latin alphabet, it was usually replaced by a C, a in Karthago which became Carthago, the Latin for Carthage. The most commonly used word beginning with a K (by the Romans) was the word kalends, which was the first day of any month.
Killarney
Kia
Kenworth
KarenKatherinekatykatekorakeriakatiekerakierakeighley
keira knightley
Kansas City
Kudu
kaiken
The Kinks Kiss
Kryptonite Kevlar
Kohima Avenue.
Kobe