Unscramble Derrphisi

What is the meaning of word derrphisi unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters D E R R P H I S I?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter D and unscrambling errphisi
2) Removing the letter E and unscrambling drrphisi
3) Removing the letter R and unscrambling derphisi
4) Removing the letter R and unscrambling derphisi
5) Removing the letter P and unscrambling derrhisi
6) Removing the letter H and unscrambling derrpisi
7) Removing the letter I and unscrambling derrphsi
8) Removing the letter S and unscrambling derrphii
9) Removing the letter I and unscrambling derrphis

More anagrams containing the letters D E R R P H I S I
derrphsii derrpihis hriprdsei hidrersip