Unscramble Retfnu

What is the meaning of word retfnu unscrambled?

What 6 letter words can be made from letters R E T F N U:

Make more words by adding or removing letters

How many 5 letter words can you make from letters R E T F N U?

1. tuner - Definition of tuner

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling etfnu
2) Removing the letter E and unscrambling rtfnu
3) Removing the letter T and unscrambling refnu
4) Removing the letter F and unscrambling retnu
5) Removing the letter N and unscrambling retfu
6) Removing the letter U and unscrambling retfn

More anagrams containing the letters R E T F N U
retfun retnfu untefr ftruen