This is the 143rd most frequent German word.
könnten
"Could" (conditional form of "können," meaning "can" or "to be able to").
'Könnten' is utilized here in the subjunctive mood to express a conditional possibility depending on an unreal situation.
Wenn es nicht regnen würde, könnten wir grillen.
If it didn’t rain, we could barbecue.
In this sentence, 'könnten' is employed as a polite form of making a request.
Könnten Sie mir bitte mit den Taschen helfen?
Could you please help me with the bags?
Here, 'könnten' is used in the subjunctive II to suggest a hypothetical action or possibility.