Unscramble Proofstain

What is the meaning of word proofstain unscrambled?

What 10 letter words can be made from letters P R O O F S T A I N:

1. stainproof - Definition of stainproof

Make more words by adding or removing letters

How many 9 letter words can you make from letters P R O O F S T A I N?
Which 9 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter P and unscrambling roofstain
2) Removing the letter R and unscrambling poofstain
3) Removing the letter O and unscrambling profstain
4) Removing the letter O and unscrambling profstain
5) Removing the letter F and unscrambling proostain
6) Removing the letter S and unscrambling prooftain
7) Removing the letter T and unscrambling proofsain
8) Removing the letter A and unscrambling proofstin
9) Removing the letter I and unscrambling proofstan
10) Removing the letter N and unscrambling proofstai

More anagrams containing the letters P R O O F S T A I N
proofstani proofstian naorifotps fnaiorostp