Unscramble Irserphid

What is the meaning of word irserphid unscrambled?

What 9 letter words can be made from letters I R S E R P H 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 R S E R P H 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 rserphid
2) Removing the letter R and unscrambling iserphid
3) Removing the letter S and unscrambling irerphid
4) Removing the letter E and unscrambling irsrphid
5) Removing the letter R and unscrambling irsephid
6) Removing the letter P and unscrambling irserhid
7) Removing the letter H and unscrambling irserpid
8) Removing the letter I and unscrambling irserphd
9) Removing the letter D and unscrambling irserphi

More anagrams containing the letters I R S E R P H I D
irserpidh irserpihd isierhrdp riderpish