Unscramble Effis

What is the meaning of word effis unscrambled?

What 5 letter words can be made from letters E F F I S:

1. fiefs - Definition of fiefs

2. fifes - Definition of fifes

Make more words by adding or removing letters

How many 4 letter words can you make from letters E F F I S?

1. effs - Definition of effs

2. fief - Definition of fief

3. fife - Definition of fife

4. seif - Definition of seif

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling ffis
2) Removing the letter F and unscrambling efis
3) Removing the letter F and unscrambling efis
4) Removing the letter I and unscrambling effs
5) Removing the letter S and unscrambling effi

More anagrams containing the letters E F F I S
effsi efifs ieffs sffei