Unscramble Refefsub

What is the meaning of word refefsub unscrambled?

What 8 letter words can be made from letters R E F E F S U B:

Make more words by adding or removing letters

How many 7 letter words can you make from letters R E F E F S U B?

1. buffers - Definition of buffers

2. rebuffs - Definition of rebuffs

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling efefsub
2) Removing the letter E and unscrambling rfefsub
3) Removing the letter F and unscrambling reefsub
4) Removing the letter E and unscrambling reffsub
5) Removing the letter F and unscrambling refesub
6) Removing the letter S and unscrambling refefub
7) Removing the letter U and unscrambling refefsb
8) Removing the letter B and unscrambling refefsu

More anagrams containing the letters R E F E F S U B
refefubs refefusb ffurbees resufefb