Unscramble Irdfs

What is the meaning of word irdfs unscrambled?

What 5 letter words can be made from letters I R D F S:

Make more words by adding or removing letters

How many 4 letter words can you make from letters I R D F S?

1. difs - Definition of difs

2. fids - Definition of fids

3. firs - Definition of firs

4. rids - Definition of rids

5. rifs - Definition of rifs

Which 4 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rdfs
2) Removing the letter R and unscrambling idfs
3) Removing the letter D and unscrambling irfs
4) Removing the letter F and unscrambling irds
5) Removing the letter S and unscrambling irdf

More anagrams containing the letters I R D F S
irdsf irfds risfd fsrid