Unscramble Refeidths

What is the meaning of word refeidths unscrambled?

What 9 letter words can be made from letters R E F E I D T H S:

Make more words by adding or removing letters

How many 8 letter words can you make from letters R E F E I D T H S?

1. diethers - Definition of diethers

2. redshift - Definition of redshift

3. resifted - Definition of resifted

Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling efeidths
2) Removing the letter E and unscrambling rfeidths
3) Removing the letter F and unscrambling reeidths
4) Removing the letter E and unscrambling refidths
5) Removing the letter I and unscrambling refedths
6) Removing the letter D and unscrambling refeiths
7) Removing the letter T and unscrambling refeidhs
8) Removing the letter H and unscrambling refeidts
9) Removing the letter S and unscrambling refeidth

More anagrams containing the letters R E F E I D T H S
refeidtsh refeihdst rfdeesthi iehtedfsr