Unscramble Ipterref

What is the meaning of word ipterref unscrambled?

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

Make more words by adding or removing letters

How many 7 letter words can you make from letters I P T 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 pterref
2) Removing the letter P and unscrambling iterref
3) Removing the letter T and unscrambling iperref
4) Removing the letter E and unscrambling iptrref
5) Removing the letter R and unscrambling ipteref
6) Removing the letter R and unscrambling ipteref
7) Removing the letter E and unscrambling ipterrf
8) Removing the letter F and unscrambling ipterre

More anagrams containing the letters I P T E R R E F
ipterrfe iptfeerr eiftrerp erirftep