The first hint to crack the puzzle "Open-mouthed cooling system of dogs" is:

It is a word which contains 7 letters

The second hint to crack the puzzle "Open-mouthed cooling system of dogs" is:

It starts with letter p

The third hint to crack the puzzle "Open-mouthed cooling system of dogs" is:

It ends with letter g

Looking for extra hints for the puzzle "Open-mouthed cooling system of dogs"

Click on any empty tile to reveal a letter

The answer for the puzzle "Open-mouthed cooling system of dogs" is: