Unscramble Irntref

What is the meaning of word irntref unscrambled?

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

Make more words by adding or removing letters

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

1. Fenrir - Definition of Fenrir

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rntref
2) Removing the letter R and unscrambling intref
3) Removing the letter N and unscrambling irtref
4) Removing the letter T and unscrambling irnref
5) Removing the letter R and unscrambling irntef
6) Removing the letter E and unscrambling irntrf
7) Removing the letter F and unscrambling irntre

More anagrams containing the letters I R N T R E F
irntrfe irrefnt trefinr nftirre