Unscramble Siperiest

What is the meaning of word siperiest unscrambled?

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

Make more words by adding or removing letters

How many 8 letter words can you make from letters S I P E R I E S T?

1. respites - Definition of respites

2. spiriest - Definition of spiriest

Which 8 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter S and unscrambling iperiest
2) Removing the letter I and unscrambling speriest
3) Removing the letter P and unscrambling sieriest
4) Removing the letter E and unscrambling sipriest
5) Removing the letter R and unscrambling sipeiest
6) Removing the letter I and unscrambling siperest
7) Removing the letter E and unscrambling siperist
8) Removing the letter S and unscrambling siperiet
9) Removing the letter T and unscrambling siperies

More anagrams containing the letters S I P E R I E S T
siperiets siperiset psiieetrs tesriesip