This is the 1865th most frequent Swedish word.
kostar
"Kostar" means "costs" in English.
The word 'kostar' is used here to inquire about the price of an item.
Hur mycket kostar den här boken?
How much does this book cost?
Here, 'kostar' indicates the amount of expense associated with performing an action.
Det kostar mycket att resa utomlands.
It costs a lot to travel abroad.
In this case, 'kostar' is metaphorically reflecting the expenditure required for emotional or mental situations.