Unscramble Irsdefs

What is the meaning of word irsdefs unscrambled?

What 7 letter words can be made from letters I R S D E F S:

Make more words by adding or removing letters

How many 6 letter words can you make from letters I R S D E F S?

1. frises - Definition of frises

2. resids - Definition of resids

3. serifs - Definition of serifs

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rsdefs
2) Removing the letter R and unscrambling isdefs
3) Removing the letter S and unscrambling irdefs
4) Removing the letter D and unscrambling irsefs
5) Removing the letter E and unscrambling irsdfs
6) Removing the letter F and unscrambling irsdes
7) Removing the letter S and unscrambling irsdef

More anagrams containing the letters I R S D E F S
irsdesf irsdfes dsfseir eisdrsf