Unscramble Isoff

What is the meaning of word isoff unscrambled?

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

Make more words by adding or removing letters

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

1. FIFO - Definition of FIFO

2. offs - Definition of offs

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling soff
2) Removing the letter S and unscrambling ioff
3) Removing the letter O and unscrambling isff
4) Removing the letter F and unscrambling isof
5) Removing the letter F and unscrambling isof

More anagrams containing the letters I S O F F
offis offsi ffios ofifs