Unscramble Filesort

What is the meaning of word filesort unscrambled?

What 8 letter words can be made from letters F I L E S O R T:

1. trefoils - Definition of trefoils

Make more words by adding or removing letters

How many 7 letter words can you make from letters F I L E S O R T?

1. estriol - Definition of estriol

2. filters - Definition of filters

3. florets - Definition of florets

4. florist - Definition of florist

5. Forseti - Definition of Forseti

6. forties - Definition of forties

7. lifters - Definition of lifters

8. lofters - Definition of lofters

9. loftier - Definition of loftier

10. loiters - Definition of loiters

11. stifler - Definition of stifler

12. toilers - Definition of toilers

13. trefoil - Definition of trefoil

14. trifles - Definition of trifles

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter F and unscrambling ilesort
2) Removing the letter I and unscrambling flesort
3) Removing the letter L and unscrambling fiesort
4) Removing the letter E and unscrambling filsort
5) Removing the letter S and unscrambling fileort
6) Removing the letter O and unscrambling filesrt
7) Removing the letter R and unscrambling filesot
8) Removing the letter T and unscrambling filesor

More anagrams containing the letters F I L E S O R T
filesotr filesrot iteolrfs eftosril