Unscramble Itperref

What is the meaning of word itperref unscrambled?

What 8 letter words can be made from letters I T P E R R E F:

Make more words by adding or removing letters

How many 7 letter words can you make from letters I T P E R R E F?

1. ferrite - Definition of ferrite

2. prefire - Definition of prefire

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling tperref
2) Removing the letter T and unscrambling iperref
3) Removing the letter P and unscrambling iterref
4) Removing the letter E and unscrambling itprref
5) Removing the letter R and unscrambling itperef
6) Removing the letter R and unscrambling itperef
7) Removing the letter E and unscrambling itperrf
8) Removing the letter F and unscrambling itperre

More anagrams containing the letters I T P E R R E F
itperrfe itpfeerr feierptr retfprie