Unscramble Irseerts

What is the meaning of word irseerts unscrambled?

What 8 letter words can be made from letters I R S E E R T S:

1. resister - Definition of resister

2. tressier - Definition of tressier

Make more words by adding or removing letters

How many 7 letter words can you make from letters I R S E E R T S?

1. rerises - Definition of rerises

2. resites - Definition of resites

3. resters - Definition of resters

4. retires - Definition of retires

5. retries - Definition of retries

6. serries - Definition of serries

7. sirrees - Definition of sirrees

8. terries - Definition of terries

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rseerts
2) Removing the letter R and unscrambling iseerts
3) Removing the letter S and unscrambling ireerts
4) Removing the letter E and unscrambling irserts
5) Removing the letter E and unscrambling irserts
6) Removing the letter R and unscrambling irseets
7) Removing the letter T and unscrambling irseers
8) Removing the letter S and unscrambling irseert

More anagrams containing the letters I R S E E R T S
irseesrt irseestr essterri sseitrre