Unscramble Itsrdfs

What is the meaning of word itsrdfs unscrambled?

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

Make more words by adding or removing letters

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

1. drifts - Definition of drifts

2. firsts - Definition of firsts

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling tsrdfs
2) Removing the letter T and unscrambling isrdfs
3) Removing the letter S and unscrambling itrdfs
4) Removing the letter R and unscrambling itsdfs
5) Removing the letter D and unscrambling itsrfs
6) Removing the letter F and unscrambling itsrds
7) Removing the letter S and unscrambling itsrdf

More anagrams containing the letters I T S R D F S
itsrdsf itsrfds idsftsr stsdrif