Unscramble Ierphsrid

What is the meaning of word ierphsrid unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters I E R P H S R I D?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling erphsrid
2) Removing the letter E and unscrambling irphsrid
3) Removing the letter R and unscrambling iephsrid
4) Removing the letter P and unscrambling ierhsrid
5) Removing the letter H and unscrambling ierpsrid
6) Removing the letter S and unscrambling ierphrid
7) Removing the letter R and unscrambling ierphsid
8) Removing the letter I and unscrambling ierphsrd
9) Removing the letter D and unscrambling ierphsri

More anagrams containing the letters I E R P H S R I D
ierpidhrs ierpidhsr shieridrp sheiridpr