Unscramble Idirphers

What is the meaning of word idirphers unscrambled?

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

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 I R P H E R S?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling dirphers
2) Removing the letter D and unscrambling iirphers
3) Removing the letter I and unscrambling idrphers
4) Removing the letter R and unscrambling idiphers
5) Removing the letter P and unscrambling idirhers
6) Removing the letter H and unscrambling idirpers
7) Removing the letter E and unscrambling idirphrs
8) Removing the letter R and unscrambling idirphes
9) Removing the letter S and unscrambling idirpher

More anagrams containing the letters I D I R P H E R S
idirphesr idirphres idihresrp eiirshpdr