Unscramble Firstx

What is the meaning of word firstx unscrambled?

What 6 letter words can be made from letters F I R S T X:

Make more words by adding or removing letters

How many 5 letter words can you make from letters F I R S T X?

1. first - Definition of first

2. frits - Definition of frits

3. rifts - Definition of rifts

4. Strix - Definition of Strix

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter F and unscrambling irstx
2) Removing the letter I and unscrambling frstx
3) Removing the letter R and unscrambling fistx
4) Removing the letter S and unscrambling firtx
5) Removing the letter T and unscrambling firsx
6) Removing the letter X and unscrambling first

More anagrams containing the letters F I R S T X
firsxt firtsx itfrsx stfxir