Unscramble Errnids

What is the meaning of word errnids unscrambled?

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

Make more words by adding or removing letters

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

1. derris - Definition of derris

2. diners - Definition of diners

3. driers - Definition of driers

4. riders - Definition of riders

5. rinsed - Definition of rinsed

6. rinser - Definition of rinser

7. snider - Definition of snider

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling rrnids
2) Removing the letter R and unscrambling ernids
3) Removing the letter R and unscrambling ernids
4) Removing the letter N and unscrambling errids
5) Removing the letter I and unscrambling errnds
6) Removing the letter D and unscrambling errnis
7) Removing the letter S and unscrambling errnid

More anagrams containing the letters E R R N I D S
errnisd errnsdi diensrr insdrre