Unscramble Interssid

What is the meaning of word interssid unscrambled?

What 9 letter words can be made from letters I N T E R S S I D:

1. dirtiness - Definition of dirtiness

2. disinters - Definition of disinters

Make more words by adding or removing letters

How many 8 letter words can you make from letters I N T E R S S I D?

1. disinter - Definition of disinter

2. inditers - Definition of inditers

3. insiders - Definition of insiders

4. insisted - Definition of insisted

5. insister - Definition of insister

6. nitrides - Definition of nitrides

7. sinister - Definition of sinister

8. tidiness - Definition of tidiness

Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling nterssid
2) Removing the letter N and unscrambling iterssid
3) Removing the letter T and unscrambling inerssid
4) Removing the letter E and unscrambling intrssid
5) Removing the letter R and unscrambling intessid
6) Removing the letter S and unscrambling intersid
7) Removing the letter S and unscrambling intersid
8) Removing the letter I and unscrambling interssd
9) Removing the letter D and unscrambling interssi

More anagrams containing the letters I N T E R S S I D
intesdirs intesdisr esitdisnr disinrste