Unscramble Irfcfset

What is the meaning of word irfcfset unscrambled?

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

Make more words by adding or removing letters

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

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 I and unscrambling rfcfset
2) Removing the letter R and unscrambling ifcfset
3) Removing the letter F and unscrambling ircfset
4) Removing the letter C and unscrambling irffset
5) Removing the letter F and unscrambling irfcset
6) Removing the letter S and unscrambling irfcfet
7) Removing the letter E and unscrambling irfcfst
8) Removing the letter T and unscrambling irfcfse

More anagrams containing the letters I R F C F S E T
irfcfste irfcftes ecistrff ertfcsif