That's because...
you are too COWARD to admit the truth.
Money Heist Season 3, Episode 5
Any more'n that
makes you a COWARD.
Westworld Season 2, Episode 3
You're a liar
and a COWARD.
Vikings Season 1, Episode 1
tell them I'm no COWARD.
Game of Thrones Season 1, Episode 1
That's all I was, a COWARD.
Game of Thrones Season 6, Episode 7