Unscramble Imitrref

What is the meaning of word imitrref unscrambled?

What 8 letter words can be made from letters I M I T R R E F:

Make more words by adding or removing letters

How many 7 letter words can you make from letters I M I T R R E F?

1. rimfire - Definition of rimfire

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling mitrref
2) Removing the letter M and unscrambling iitrref
3) Removing the letter I and unscrambling imtrref
4) Removing the letter T and unscrambling imirref
5) Removing the letter R and unscrambling imitref
6) Removing the letter R and unscrambling imitref
7) Removing the letter E and unscrambling imitrrf
8) Removing the letter F and unscrambling imitrre

More anagrams containing the letters I M I T R R E F
imitrrfe imrefirt tmrifrie rrtimefi