Silent letters from A to Z list and examples for each letter
A silent letter is left unpronounced, such as the d in handkerchief, the n in autumn and the p in cupboard. When talking fast, silent words like t are very lightly pronounced in words like Christmas, mountain and little.
This is a small list of the silent letters from A to Z and is designed to use as a guide to help you pronounce words.
https://www.easypacelearning.com/all-lessons/english-lessons-level-3/544-silent-letters-from-a-to-z-list-and-examples