
A STAIN.
Westworld Season 2, Episode 9

You don't want to STAIN your hands
with blood, but you STAIN mine.
Money Heist Season 1, Episode 4

blood STAIN.
Money Heist Season 1, Episode 6

Where I come from, that STAIN would
be very difficult to wash out.
Game of Thrones Season 3, Episode 6

and remove the STAIN from his name.
Game of Thrones Season 3, Episode 6