Unscramble Optixfs

What is the meaning of word optixfs unscrambled?

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

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 I X F S?
Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling ptixfs
2) Removing the letter P and unscrambling otixfs
3) Removing the letter T and unscrambling opixfs
4) Removing the letter I and unscrambling optxfs
5) Removing the letter X and unscrambling optifs
6) Removing the letter F and unscrambling optixs
7) Removing the letter S and unscrambling optixf

More anagrams containing the letters O P T I X F S
optixsf optsfix fsitpox oxfpits