Unscramble Irders

What is the meaning of word irders unscrambled?

What 6 letter words can be made from letters I R D E R S:

1. derris - Definition of derris

2. driers - Definition of driers

3. riders - Definition of riders

Make more words by adding or removing letters

How many 5 letter words can you make from letters I R D E R S?

1. direr - Definition of direr

2. drier - Definition of drier

3. dries - Definition of dries

4. resid - Definition of resid

5. rider - Definition of rider

6. rides - Definition of rides

7. riser - Definition of riser

8. sired - Definition of sired

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rders
2) Removing the letter R and unscrambling iders
3) Removing the letter D and unscrambling irers
4) Removing the letter E and unscrambling irdrs
5) Removing the letter R and unscrambling irdes
6) Removing the letter S and unscrambling irder

More anagrams containing the letters I R D E R S
irdesr irdres sridre esrrdi