Unscramble Isrerphid

What is the meaning of word isrerphid unscrambled?

What 9 letter words can be made from letters I S R 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 S R 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 srerphid
2) Removing the letter S and unscrambling irerphid
3) Removing the letter R and unscrambling iserphid
4) Removing the letter E and unscrambling isrrphid
5) Removing the letter R and unscrambling isrephid
6) Removing the letter P and unscrambling isrerhid
7) Removing the letter H and unscrambling isrerpid
8) Removing the letter I and unscrambling isrerphd
9) Removing the letter D and unscrambling isrerphi

More anagrams containing the letters I S R E R P H I D
isrerpidh isrerpihd rdeispihr prsreihdi