This is the 8124th most frequent French word.
tsushima
"Tsushima" is not a French word; it refers to an island or a historical naval battle associated with Japan.
Here, 'Tsushima' is used as a proper noun, referring to the geographic location.
Tsushima est une île au Japon.
Tsushima is an island in Japan.
In this sentence, 'Tsushima' refers to the setting or inspiration of the video game's story.
J'ai acheté un jeu vidéo basé sur l'histoire de Tsushima.
I bought a video game based on the history of Tsushima.
Here, 'Tsushima' is mentioned in reference to historical or fictional events associated with the location.