Unscramble Riisref

What is the meaning of word riisref unscrambled?

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

Make more words by adding or removing letters

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

1. firers - Definition of firers

2. friers - Definition of friers

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling iisref
2) Removing the letter I and unscrambling risref
3) Removing the letter I and unscrambling risref
4) Removing the letter S and unscrambling riiref
5) Removing the letter R and unscrambling riisef
6) Removing the letter E and unscrambling riisrf
7) Removing the letter F and unscrambling riisre

More anagrams containing the letters R I I S R E F
riisrfe rirefis riirsef eirirsf