Envelope
A five letter word that begins with wash: washy.
Envelope begins and ends with the letter e. It contains one letter.
A word that begins and ends with E and has only 1 letter in between is EYE. Begins and ends with E and the Y is in between.
One four letter word that starts with r is riot.
One-half is a hyphenated word. It begins with the letter O.
one is advocateannounce
11 letter words that begin and end with the same letter:charismaticdisappeareddiscrediteddistributedgalvanizinggerminatingseriousnesstranslucenttransparent
Ergosterol, for one.
One example of a word that begins and ends with the letters "und" is "underground."
Coal is an energy word. It begins with the letter C.
The word you're looking for is "envelope." It begins with the letter "e" and can contain just one letter inside it. This riddle plays on the dual meanings of "letter" as both a character in the alphabet and a written message.
I dunno type on google "9 letter word that is still a word after taking off each letter one by one from the start to the end of the word