Unscramble Reirphids

What is the meaning of word reirphids unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters R E I R P H I D S?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling eirphids
2) Removing the letter E and unscrambling rirphids
3) Removing the letter I and unscrambling rerphids
4) Removing the letter R and unscrambling reiphids
5) Removing the letter P and unscrambling reirhids
6) Removing the letter H and unscrambling reirpids
7) Removing the letter I and unscrambling reirphds
8) Removing the letter D and unscrambling reirphis
9) Removing the letter S and unscrambling reirphid

More anagrams containing the letters R E I R P H I D S
reirphisd reirphsdi hsiprdeir prisheidr