Level 611 - 5 Letters

Here's the 5 letter solution for Level 611 in 4 Pics 1 Word

4 pics 1 Word Level 611 Image 1 4 pics 1 Word Level 611 Image 2 4 pics 1 Word Level 611 Image 3 4 pics 1 Word Level 611 Image 4
P
R
O
O
F