Unscramble Iirstems

What is the meaning of word iirstems unscrambled?

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

Make more words by adding or removing letters

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

1. merisis - Definition of merisis

2. miriest - Definition of miriest

3. misters - Definition of misters

4. mistier - Definition of mistier

5. mitises - Definition of mitises

6. rimiest - Definition of rimiest

7. smiters - Definition of smiters

8. stimies - Definition of stimies

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling irstems
2) Removing the letter I and unscrambling irstems
3) Removing the letter R and unscrambling iistems
4) Removing the letter S and unscrambling iirtems
5) Removing the letter T and unscrambling iirsems
6) Removing the letter E and unscrambling iirstms
7) Removing the letter M and unscrambling iirstes
8) Removing the letter S and unscrambling iirstem

More anagrams containing the letters I I R S T E M S
iirstesm iirstmes isesmrti misesrit