Unscramble Phrdserii

What is the meaning of word phrdserii unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters P H R D S E R I I?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter P and unscrambling hrdserii
2) Removing the letter H and unscrambling prdserii
3) Removing the letter R and unscrambling phdserii
4) Removing the letter D and unscrambling phrserii
5) Removing the letter S and unscrambling phrderii
6) Removing the letter E and unscrambling phrdsrii
7) Removing the letter R and unscrambling phrdseii
8) Removing the letter I and unscrambling phrdseri
9) Removing the letter I and unscrambling phrdseri

More anagrams containing the letters P H R D S E R I I
phrdsieir phrdsieri rdihsirpe iphserird