Unscramble Insstring

What is the meaning of word insstring unscrambled?

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

Make more words by adding or removing letters

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

1. rinsings - Definition of rinsings

Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling nsstring
2) Removing the letter N and unscrambling isstring
3) Removing the letter S and unscrambling instring
4) Removing the letter S and unscrambling instring
5) Removing the letter T and unscrambling inssring
6) Removing the letter R and unscrambling inssting
7) Removing the letter I and unscrambling insstrng
8) Removing the letter N and unscrambling insstrig
9) Removing the letter G and unscrambling insstrin

More anagrams containing the letters I N S S T R I N G
insstrngi insstrnig gnsnstiri tngirsisn