
Ricin.
It's an extremely effective POISON.
Breaking Bad Season 2, Episode 1

We don't POISON little girls here.
Game of Thrones Season 7, Episode 2

He stole POISON from
the Grand Maester's chamber
Game of Thrones Season 4, Episode 6

No horse can cross the POISON water.
Game of Thrones Season 1, Episode 7

You gave Lysa
tears of Lys to POISON him.
Game of Thrones Season 7, Episode 7