Unscramble Gproofin

What is the meaning of word gproofin unscrambled?

What 8 letter words can be made from letters G P R O O F I N:

1. proofing - Definition of proofing

Make more words by adding or removing letters

How many 7 letter words can you make from letters G P R O O F I N?

1. roofing - Definition of roofing

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter G and unscrambling proofin
2) Removing the letter P and unscrambling groofin
3) Removing the letter R and unscrambling gpoofin
4) Removing the letter O and unscrambling gprofin
5) Removing the letter O and unscrambling gprofin
6) Removing the letter F and unscrambling gprooin
7) Removing the letter I and unscrambling gproofn
8) Removing the letter N and unscrambling gproofi

More anagrams containing the letters G P R O O F I N
gproofni gprooifn nrfogiop noofgirp