Abide?
Ace is a playing card. It begins with the letter a.
If you mean letter, as in letters of the alphabet, the word is littera. If you mean letter, as in a letter transported by the postal service, the word is epistola.
agate
retired
etude
I think you mean the which letter is silent in the word 'wrong'. And the answer to that is the letter 'w'.
an 8 letter word for wealthy is ....... affluent
If you mean a storage chest, then trunk is a 5-letter word for it. If you mean the upper part of the body, then torso is a 5-letter word for it.
It's both. It is a letter in the alphabet, and it is a one-letter word.
A German three-letter word meaning at no time is nie.
Orchestra!
A letter/word which comes before a noun.