ruotsalaisella
The word "ruotsalaisella" is the adessive case of the Finnish adjective "ruotsalainen." "Ruotsalainen" means "Swedish" and refers to something or someone originating from or related to Sweden. The adessive case in Finnish indicates location, possession, or accompaniment, essentially translating to "on," "at," "in," or "with."
Therefore, "ruotsalaisella" would be used in a sentence to convey a meaning such as "on the Swedish