Unscramble Csrfu

What is the meaning of word csrfu unscrambled?

What 5 letter words can be made from letters C S R F U:

1. curfs - Definition of curfs

2. scurf - Definition of scurf

Make more words by adding or removing letters

How many 4 letter words can you make from letters C S R F U?

1. crus - Definition of crus

2. curf - Definition of curf

3. curs - Definition of curs

4. furs - Definition of furs

5. surf - Definition of surf

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter C and unscrambling srfu
2) Removing the letter S and unscrambling crfu
3) Removing the letter R and unscrambling csfu
4) Removing the letter F and unscrambling csru
5) Removing the letter U and unscrambling csrf

More anagrams containing the letters C S R F U
csruf csufr rusfc frcus