A STAIN I never noticed before.
Westworld Season 2, Episode 9
A STAIN to exorcise,
to scrub out,
Westworld Season 3, Episode 8
You don't want to STAIN your hands
with blood, but you STAIN mine.
Money Heist Season 1, Episode 4
Yeah, and this one
won't STAIN my teeth purple.
The Big Bang Theory Season 10, Episode 19
Where I come from, that STAIN would
be very difficult to wash out.
Game of Thrones Season 3, Episode 6