Unscramble Erphriids

What is the meaning of word erphriids unscrambled?

What 9 letter words can be made from letters E R P H R I 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 E R P H R I I D S?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling rphriids
2) Removing the letter R and unscrambling ephriids
3) Removing the letter P and unscrambling erhriids
4) Removing the letter H and unscrambling erpriids
5) Removing the letter R and unscrambling erphiids
6) Removing the letter I and unscrambling erphrids
7) Removing the letter I and unscrambling erphrids
8) Removing the letter D and unscrambling erphriis
9) Removing the letter S and unscrambling erphriid

More anagrams containing the letters E R P H R I I D S
erphriisd erphrisdi irersihpd iihrpdrse