Unscramble Ideirrsph

What is the meaning of word ideirrsph unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters I D E I R R S P H?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling deirrsph
2) Removing the letter D and unscrambling ieirrsph
3) Removing the letter E and unscrambling idirrsph
4) Removing the letter I and unscrambling iderrsph
5) Removing the letter R and unscrambling ideirsph
6) Removing the letter R and unscrambling ideirsph
7) Removing the letter S and unscrambling ideirrph
8) Removing the letter P and unscrambling ideirrsh
9) Removing the letter H and unscrambling ideirrsp

More anagrams containing the letters I D E I R R S P H
ideirshpr ideirshrp iedrpsihr rdeisphir