Unscramble Sostfix

What is the meaning of word sostfix unscrambled?

What 7 letter words can be made from letters S O S T F I X:

Make more words by adding or removing letters

How many 6 letter words can you make from letters S O S T F I X?

1. foists - Definition of foists

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling ostfix
2) Removing the letter O and unscrambling sstfix
3) Removing the letter S and unscrambling sotfix
4) Removing the letter T and unscrambling sosfix
5) Removing the letter F and unscrambling sostix
6) Removing the letter I and unscrambling sostfx
7) Removing the letter X and unscrambling sostfi

More anagrams containing the letters S O S T F I X
sostfxi sostifx oitssxf sxfoits