Unscramble Pgrex

What is the meaning of word pgrex unscrambled?

What 5 letter words can be made from letters P G R E X:

Make more words by adding or removing letters

How many 4 letter words can you make from letters P G R E X?

1. prex - Definition of prex

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter P and unscrambling grex
2) Removing the letter G and unscrambling prex
3) Removing the letter R and unscrambling pgex
4) Removing the letter E and unscrambling pgrx
5) Removing the letter X and unscrambling pgre

More anagrams containing the letters P G R E X
pgrxe pgxer xegrp prxeg