Unscramble Irphderis

What is the meaning of word irphderis unscrambled?

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

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 E R I S?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rphderis
2) Removing the letter R and unscrambling iphderis
3) Removing the letter P and unscrambling irhderis
4) Removing the letter H and unscrambling irpderis
5) Removing the letter D and unscrambling irpheris
6) Removing the letter E and unscrambling irphdris
7) Removing the letter R and unscrambling irphdeis
8) Removing the letter I and unscrambling irphders
9) Removing the letter S and unscrambling irphderi

More anagrams containing the letters I R P H D E R I S
irphdersi irphdesir ihiesdrrp idrierhsp