Odd One Out!

Riddle: Which English word is the odd one out: Stun, Ton, Evil, Letter, Mood, Bad, Strap, Snap, and Straw?

Answer: Letter as it is the only one that does not spell another word when it’s written backward.

Source: https://www.riddles.com/index.php/10593

Which English word is the odd one out: Stun, Ton, Evil, Letter, Mood, Bad, Strap, Snap, and Straw? — Odd one out! by kanish v1.

Riddle: Which English word is the odd one out: Stun, Ton, Evil, Letter, Mood, Bad, Strap, Snap, and Straw? Answer: Letter as it is the only one that does not spell another word when it’s written backward. — by kanish v2.