Unscramble Irspref

What is the meaning of word irspref unscrambled?

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

Make more words by adding or removing letters

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

1. firers - Definition of firers

2. friers - Definition of friers

3. priers - Definition of priers

4. sprier - Definition of sprier

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rspref
2) Removing the letter R and unscrambling ispref
3) Removing the letter S and unscrambling irpref
4) Removing the letter P and unscrambling irsref
5) Removing the letter R and unscrambling irspef
6) Removing the letter E and unscrambling irsprf
7) Removing the letter F and unscrambling irspre

More anagrams containing the letters I R S P R E F
irsprfe irsrefp pifrsre errispf