Unscramble Optfxids

What is the meaning of word optfxids unscrambled?

What 8 letter words can be made from letters O P T F X I D S:

Make more words by adding or removing letters

How many 7 letter words can you make from letters O P T F X I D S?

1. postfix - Definition of postfix

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling ptfxids
2) Removing the letter P and unscrambling otfxids
3) Removing the letter T and unscrambling opfxids
4) Removing the letter F and unscrambling optxids
5) Removing the letter X and unscrambling optfids
6) Removing the letter I and unscrambling optfxds
7) Removing the letter D and unscrambling optfxis
8) Removing the letter S and unscrambling optfxid

More anagrams containing the letters O P T F X I D S
optfxisd optfxsdi itsfpdox idtsfopx