What is a silent letter? A silent letter is a letter that, in a particular word, does not correspond to any sound in the word’s pronunciation. One of the noted difficulties of English spelling is a high number of silent letters, they make the spelling of words different from their pronunciation.
Here’s a list of common words with silent letters in English.
Learn list of words with silent letters with American English pronunciation.
here we have another video that will help you:
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Source:
https://7esl.com/silent-letters/