Ballet originates from France. I think this is why is has a silent 't' at the end.
what is the silent letter for sword
The silent letter is g.
No, there is no silent letter.
a is the silent letter
It is spelled 'handkerchief' and the letter 'd' is silent.
The letter p is silent.
r is the silent letter
There is no silent letter in 'similar'.
There is no silent letter.
the silent letter is "B"
The silent letter is E