Unscramble Csiftref

What is the meaning of word csiftref unscrambled?

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

Make more words by adding or removing letters

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

1. stiffer - Definition of stiffer

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter C and unscrambling siftref
2) Removing the letter S and unscrambling ciftref
3) Removing the letter I and unscrambling csftref
4) Removing the letter F and unscrambling csitref
5) Removing the letter T and unscrambling csifref
6) Removing the letter R and unscrambling csiftef
7) Removing the letter E and unscrambling csiftrf
8) Removing the letter F and unscrambling csiftre

More anagrams containing the letters C S I F T R E F
csiftrfe csirefft sfeicfrt ieffrstc