This is the 13908th most frequent Swedish word.
öresundståg
Öresundståg: A regional train service connecting areas in southern Sweden and Denmark across the Öresund Bridge.
Here, 'öresundståg' is used to specify the type of train which connects regions near the Öresund area, such as southern Sweden and Copenhagen, Denmark.
Jag ska ta ett öresundståg till Köpenhamn i kväll.
I will take an Öresund train to Copenhagen tonight.
In this case, 'öresundstågen' refers to the plural form, denoting multiple trains operating along the Öresund route.
Öresundstågen går varje timme mellan Malmö och Helsingør.
The Öresund trains run every hour between Malmö and Helsingør.
In this example, 'öresundståget' is used in the definite singular form, referring to a specific train service in general terms.