Unscramble Optfxsi

What is the meaning of word optfxsi unscrambled?

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

1. postfix - Definition of postfix

Make more words by adding or removing letters

How many 6 letter words can you make from letters O P T F X S I?
Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling ptfxsi
2) Removing the letter P and unscrambling otfxsi
3) Removing the letter T and unscrambling opfxsi
4) Removing the letter F and unscrambling optxsi
5) Removing the letter X and unscrambling optfsi
6) Removing the letter S and unscrambling optfxi
7) Removing the letter I and unscrambling optfxs

More anagrams containing the letters O P T F X S I
optifsx optifxs xptoifs tspfoxi