The first hint to crack the puzzle "When empty, they make the most noise" is:

It is a word which contains 7 letters

The second hint to crack the puzzle "When empty, they make the most noise" is:

It starts with letter v

The third hint to crack the puzzle "When empty, they make the most noise" is:

It ends with letter s

Looking for extra hints for the puzzle "When empty, they make the most noise"

Click on any empty tile to reveal a letter

The answer for the puzzle "When empty, they make the most noise" is: