Unscramble Proifs

What is the meaning of word proifs unscrambled?

What 6 letter words can be made from letters P R O I F S:

Make more words by adding or removing letters

How many 5 letter words can you make from letters P R O I F S?

1. profs - Definition of profs

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter P and unscrambling roifs
2) Removing the letter R and unscrambling poifs
3) Removing the letter O and unscrambling prifs
4) Removing the letter I and unscrambling profs
5) Removing the letter F and unscrambling prois
6) Removing the letter S and unscrambling proif

More anagrams containing the letters P R O I F S
proisf prosfi siorpf posifr