Unscramble Mfsr

What is the meaning of word mfsr unscrambled?

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

Make more words by adding or removing letters

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

1. FRS - Definition of FRS

2. Mrs - Definition of Mrs

3. rms - Definition of rms

Which 3 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter M and unscrambling fsr
2) Removing the letter F and unscrambling msr
3) Removing the letter S and unscrambling mfr
4) Removing the letter R and unscrambling mfs

More anagrams containing the letters M F S R
mrfs mrsf fmsr smrf