Unscramble Irphdseri

What is the meaning of word irphdseri unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters I R P H D S E R I?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rphdseri
2) Removing the letter R and unscrambling iphdseri
3) Removing the letter P and unscrambling irhdseri
4) Removing the letter H and unscrambling irpdseri
5) Removing the letter D and unscrambling irphseri
6) Removing the letter S and unscrambling irphderi
7) Removing the letter E and unscrambling irphdsri
8) Removing the letter R and unscrambling irphdsei
9) Removing the letter I and unscrambling irphdser

More anagrams containing the letters I R P H D S E R I
irphdsier irphdsire eiridhsrp iesrphird