Unscramble Xpifos

What is the meaning of word xpifos unscrambled?

What 6 letter words can be made from letters X P I F O S:

Make more words by adding or removing letters

How many 5 letter words can you make from letters X P I F O S?

1. POSIX - Definition of POSIX

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter X and unscrambling pifos
2) Removing the letter P and unscrambling xifos
3) Removing the letter I and unscrambling xpfos
4) Removing the letter F and unscrambling xpios
5) Removing the letter O and unscrambling xpifs
6) Removing the letter S and unscrambling xpifo

More anagrams containing the letters X P I F O S
xpifso xpiofs fixspo osxifp