Unscramble Irerrs

What is the meaning of word irerrs unscrambled?

What 6 letter words can be made from letters I R E R R S:

Make more words by adding or removing letters

How many 5 letter words can you make from letters I R E R R S?

1. riser - Definition of riser

Which 5 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rerrs
2) Removing the letter R and unscrambling ierrs
3) Removing the letter E and unscrambling irrrs
4) Removing the letter R and unscrambling irers
5) Removing the letter R and unscrambling irers
6) Removing the letter S and unscrambling irerr

More anagrams containing the letters I R E R R S
irersr iresrr rresri serrri