What is Silent letter?
'''Silent letters''', also referred to as '''non-vocalized letters''' or simply '''non-vocal letters''', are [[Consonant|consonants]] written in [[Word|words]] that, when they are spoken, do not correspond to the pronunciations of given letters and also do not allow anyone to hear their sounds when they appear in words. Many of them come from [[Old English]]. These include the ''k'' in ''know'' and ''knee'', the second ''b'' in ''bomb'' and ''numb,'' the ''s'' in ''island,'' and the ''e'' in ''lame'' and ''lime''. There is also a silent ''g'' in ''sign'', which is from [[Middle English]]. Old English uses the sound of the silent ''k'' and ''gh'' from ''knight'', which was pronounced at the time. The word changed its history. Other words, such as ''knowledge'', also begin with silent ''k'' when the letter ''n'' comes after it. There is also the silent ''r'' that happens to be in many other words from Old English, such as the one that happens to be heard in former words such as ''February'' that can be sounded and sometimes it is also silent unlike how you kneel as well as that silent ''d'' in ''Wednesday'' that happens to be the first as well as that''.'' There is also the silent ''n'' at the end of other words, such as ''autumn''. The word ''wrong'' means not right, and begins with silent ''w''. There are words that sometimes begin with silent ''g'', such as ''gnat''. Other silent letters may be the ''r'' in words from [[Old French]], like ''hors d'ouvert'' and the sound of the ''t'' is sometimes heard in some words like ''often,'' but it may also be silent. There is also a silent ''w'' in ''answer'', and the ''w'' is not pronounced. The word ''kneel'' starts with a silent ''k''. The letter ''g'' has two sounds, both hard and soft, but it is sometimes silent at the beginning of the word ''gnat'' when it comes before the letter ''n'' that comes after it. You can sometimes say the silent ''g'' for fun in order to start a word, such as ''gnome'' or ''gnat'' because they may be completely different. That is why