Unscramble Idersphri

What is the meaning of word idersphri unscrambled?

What 9 letter words can be made from letters I D E R S P H 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 D E R S P H 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 dersphri
2) Removing the letter D and unscrambling iersphri
3) Removing the letter E and unscrambling idrsphri
4) Removing the letter R and unscrambling idesphri
5) Removing the letter S and unscrambling iderphri
6) Removing the letter P and unscrambling idershri
7) Removing the letter H and unscrambling iderspri
8) Removing the letter R and unscrambling idersphi
9) Removing the letter I and unscrambling idersphr

More anagrams containing the letters I D E R S P H R I
iderspihr iderspirh prdsireih hrpreisid