Unscramble Edirrphis

What is the meaning of word edirrphis unscrambled?

What 9 letter words can be made from letters E D I R R P H 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 E D I R R P H I S?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling dirrphis
2) Removing the letter D and unscrambling eirrphis
3) Removing the letter I and unscrambling edrrphis
4) Removing the letter R and unscrambling edirphis
5) Removing the letter R and unscrambling edirphis
6) Removing the letter P and unscrambling edirrhis
7) Removing the letter H and unscrambling edirrpis
8) Removing the letter I and unscrambling edirrphs
9) Removing the letter S and unscrambling edirrphi

More anagrams containing the letters E D I R R P H I S
edirrphsi edirrpihs dehiirsrp sdrphiier