
But you have to SWEAR
you'll never tell another soul.
Game of Thrones Season 8, Episode 4

Really?
I'm sorry, I SWEAR I know other words.
The Big Bang Theory Season 9, Episode 18

You are summoned to King's Landing
to SWEAR fealty to the new king.
Game of Thrones Season 1, Episode 8

I SWEAR it.
Game of Thrones Season 3, Episode 8

Swear it.
Game of Thrones Season 8, Episode 4