This is the 6775th most frequent French word.
kyiv
"Kyiv" is not a French word; it is the English transliteration of the name of Ukraine's capital city, derived from Ukrainian.
Here, Kyiv is used as a proper noun indicating a specific place, the city of Kyiv.
Kyiv est la capitale de l'Ukraine.
Kyiv is the capital of Ukraine.
In this sentence, Kyiv is used to specify the location that was visited, demonstrating its role as a geographical name.
Nous avons visité Kyiv l'été dernier.
We visited Kyiv last summer.
Here, Kyiv specifies where the events are taking place, indicating its usage as a reference to the city.