Unscramble Iestrref

What is the meaning of word iestrref unscrambled?

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

1. ferrites - Definition of ferrites

Make more words by adding or removing letters

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

1. ferrets - Definition of ferrets

2. ferries - Definition of ferries

3. ferrite - Definition of ferrite

4. refires - Definition of refires

5. refries - Definition of refries

6. retires - Definition of retires

7. retries - Definition of retries

8. terries - Definition of terries

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling estrref
2) Removing the letter E and unscrambling istrref
3) Removing the letter S and unscrambling ietrref
4) Removing the letter T and unscrambling iesrref
5) Removing the letter R and unscrambling iestref
6) Removing the letter R and unscrambling iestref
7) Removing the letter E and unscrambling iestrrf
8) Removing the letter F and unscrambling iestrre

More anagrams containing the letters I E S T R R E F
iestrrfe ietefrrs efrsiter tersrefi