Unscramble Isprihder

What is the meaning of word isprihder unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters I S P R I H D E R?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling sprihder
2) Removing the letter S and unscrambling iprihder
3) Removing the letter P and unscrambling isrihder
4) Removing the letter R and unscrambling ispihder
5) Removing the letter I and unscrambling isprhder
6) Removing the letter H and unscrambling isprider
7) Removing the letter D and unscrambling ispriher
8) Removing the letter E and unscrambling isprihdr
9) Removing the letter R and unscrambling isprihde

More anagrams containing the letters I S P R I H D E R
isprihdre isprihedr sdrrieiph srpdireih