Unscramble Itfsref

What is the meaning of word itfsref unscrambled?

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

1. stiffer - Definition of stiffer

Make more words by adding or removing letters

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

1. fifers - Definition of fifers

2. frites - Definition of frites

3. refits - Definition of refits

4. resift - Definition of resift

5. rifest - Definition of rifest

6. sifter - Definition of sifter

7. strife - Definition of strife

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling tfsref
2) Removing the letter T and unscrambling ifsref
3) Removing the letter F and unscrambling itsref
4) Removing the letter S and unscrambling itfref
5) Removing the letter R and unscrambling itfsef
6) Removing the letter E and unscrambling itfsrf
7) Removing the letter F and unscrambling itfsre

More anagrams containing the letters I T F S R E F
itfsrfe itreffs irfstfe fisfrte