Unscramble Migrref

What is the meaning of word migrref unscrambled?

What 7 letter words can be made from letters M I G R R E F:

Make more words by adding or removing letters

How many 6 letter words can you make from letters M I G R R E F?

1. firmer - Definition of firmer

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter M and unscrambling igrref
2) Removing the letter I and unscrambling mgrref
3) Removing the letter G and unscrambling mirref
4) Removing the letter R and unscrambling migref
5) Removing the letter R and unscrambling migref
6) Removing the letter E and unscrambling migrrf
7) Removing the letter F and unscrambling migrre

More anagrams containing the letters M I G R R E F
migrrfe mirefgr rgrfemi irefgmr