This is the 1304th most frequent Swedish word.
tros
"To be believed" or "is thought to."
In this sentence, 'tros' is used as an auxiliary verb indicating speculation or belief about an action or state.
Hon tros vara på semester.
She is believed to be on vacation.
Here, 'trosorna' refers to a noun (plural), meaning 'underpants,' showcasing a completely different usage of the word.
Trosorna ligger i garderoben.
The underwear is in the wardrobe.
In this example, 'tros' again functions as an auxiliary verb indicating belief, specifically a future need.