Unscramble Irftheds

What is the meaning of word irftheds unscrambled?

What 8 letter words can be made from letters I R F T H E D S:

1. redshift - Definition of redshift

Make more words by adding or removing letters

How many 7 letter words can you make from letters I R F T H E D S?

1. dithers - Definition of dithers

2. redfish - Definition of redfish

3. shifted - Definition of shifted

4. shifter - Definition of shifter

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rftheds
2) Removing the letter R and unscrambling iftheds
3) Removing the letter F and unscrambling irtheds
4) Removing the letter T and unscrambling irfheds
5) Removing the letter H and unscrambling irfteds
6) Removing the letter E and unscrambling irfthds
7) Removing the letter D and unscrambling irfthes
8) Removing the letter S and unscrambling irfthed

More anagrams containing the letters I R F T H E D S
irfthesd irfthsde hdrietsf dihtsefr