Unscramble Heirrpids

What is the meaning of word heirrpids unscrambled?

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

1. ridership - Definition of ridership

Make more words by adding or removing letters

How many 8 letter words can you make from letters H E I R R P I D S?
Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter H and unscrambling eirrpids
2) Removing the letter E and unscrambling hirrpids
3) Removing the letter I and unscrambling herrpids
4) Removing the letter R and unscrambling heirpids
5) Removing the letter R and unscrambling heirpids
6) Removing the letter P and unscrambling heirrids
7) Removing the letter I and unscrambling heirrpds
8) Removing the letter D and unscrambling heirrpis
9) Removing the letter S and unscrambling heirrpid

More anagrams containing the letters H E I R R P I D S
heirrpisd heirrpsdi piidhrsre edsihprir