Suffixes are letters put at the end of a word to change its meaning.

In 1996, a mysterious letter put into question Bridget's paternity.

Prefixes are letters put at the beginning of a word to change its meaning.

It took several letters and a telephone call to put a stop to this.

But the manufacturers lobby was thrilled that the letter put him on the record as clearly supporting the Clinton agreement.

Thérèse says the letters didn't put it very clearly.

A letter from her office had put an extra zero on his assessment, which was actually $100,000 but was down for $1,000,000.

That letter put him in contact with two people who reported a very interesting experience to him.

He knew from long experience that a letter sent in fury merely put a weapon into the hands of your enemy.

Surprise's letters and put them straight into the post; and she wished her a very happy return.