⬛ *`Silent Letters in Words`* 🤐 🔹 *`By MDCAT 2025`* Knife → Silent *“K”* Debt → Silent *“B”* Castle → Silent *“T”* Psychology → Silent *“P”* Thumb → Silent *“B”* Knee → Silent *“K”* Island → Silent *“S”* Plumber → Silent *“B”* Fasten → Silent *“T”* Yolk → Silent *“L”* Receipt → Silent *“P”* Doubt → Silent *“B”* Whistle → Silent *“T”* Salmon → Silent *“L”*