Unscramble Errfsid

What is the meaning of word errfsid unscrambled?

What 7 letter words can be made from letters E R R F S I D:

Make more words by adding or removing letters

How many 6 letter words can you make from letters E R R F S I D?

1. derris - Definition of derris

2. driers - Definition of driers

3. firers - Definition of firers

4. friers - Definition of friers

5. riders - Definition of riders

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling rrfsid
2) Removing the letter R and unscrambling erfsid
3) Removing the letter R and unscrambling erfsid
4) Removing the letter F and unscrambling errsid
5) Removing the letter S and unscrambling errfid
6) Removing the letter I and unscrambling errfsd
7) Removing the letter D and unscrambling errfsi

More anagrams containing the letters E R R F S I D
erridfs erridsf rfrdeis fiesdrr