nutria
Only the letter N.
You are an Envelope
No other letter begins with that letter. The only letter that begins with it is W.
envelope
There are only a few animals whose names begin with a silent letter. All the animals with silent first letters are gnat, gnu and a wren.
Newt
Only King Julien,
Nauru, Nepal, and Niger are countries. They are the only countries that contain only 5 letters and begin with the letter N.
היפופוטומוס (hippopotamus) is the only one I can come up with.
No country begins with the letters Qu. Qatar is the only country that begins with the letter Q. It is in Asia.
It is the least used letter and represents the greek "koppa"
automotive 4 letters begins with M