Unscramble Irpgref

What is the meaning of word irpgref unscrambled?

What 7 letter words can be made from letters I R P G R E F:

Make more words by adding or removing letters

How many 6 letter words can you make from letters I R P G R E F?

1. griper - Definition of griper

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rpgref
2) Removing the letter R and unscrambling ipgref
3) Removing the letter P and unscrambling irgref
4) Removing the letter G and unscrambling irpref
5) Removing the letter R and unscrambling irpgef
6) Removing the letter E and unscrambling irpgrf
7) Removing the letter F and unscrambling irpgre

More anagrams containing the letters I R P G R E F
irpgrfe irprefg eprrgfi ripgefr