Unscramble Oppref

What is the meaning of word oppref unscrambled?

What 6 letter words can be made from letters O P P R E F:

Make more words by adding or removing letters

How many 5 letter words can you make from letters O P P R E F?

1. preop - Definition of preop

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter O and unscrambling ppref
2) Removing the letter P and unscrambling opref
3) Removing the letter P and unscrambling opref
4) Removing the letter R and unscrambling oppef
5) Removing the letter E and unscrambling opprf
6) Removing the letter F and unscrambling oppre

More anagrams containing the letters O P P R E F
opprfe oprefp rofppe fppeor