Unscramble Userfn

What is the meaning of word userfn unscrambled?

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

Make more words by adding or removing letters

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

1. ferns - Definition of ferns

2. nurse - Definition of nurse

3. runes - Definition of runes

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter U and unscrambling serfn
2) Removing the letter S and unscrambling uerfn
3) Removing the letter E and unscrambling usrfn
4) Removing the letter R and unscrambling usefn
5) Removing the letter F and unscrambling usern
6) Removing the letter N and unscrambling userf

More anagrams containing the letters U S E R F N
usernf usfenr sfenru seunfr