Unscramble Mpfr

What is the meaning of word mpfr unscrambled?

What 4 letter words can be made from letters M P F R:

Make more words by adding or removing letters

How many 3 letter words can you make from letters M P F R?

1. rpm - Definition of rpm

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter M and unscrambling pfr
2) Removing the letter P and unscrambling mfr
3) Removing the letter F and unscrambling mpr
4) Removing the letter R and unscrambling mpf

More anagrams containing the letters M P F R
mprf mrfp frpm fpmr