My favorite word with silent letter is "Know" becouse Brain Maps say..................... "YOU KNOOOOOOOOOOOOOOOOOOOOOOOOW"!! I know this words: Knife, YOU KNOOW, Knight.
My favourite word with a silent letter is "unknown". I know lots of words with silent letters for example: know, grandma, grandpa, pumpking and others.
I like the word climb because i like to climb mountains I don't think i know any other words that have silent letters