Unscramble Iterssim

What is the meaning of word iterssim unscrambled?

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

Make more words by adding or removing letters

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

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 terssim
2) Removing the letter T and unscrambling ierssim
3) Removing the letter E and unscrambling itrssim
4) Removing the letter R and unscrambling itessim
5) Removing the letter S and unscrambling itersim
6) Removing the letter S and unscrambling itersim
7) Removing the letter I and unscrambling iterssm
8) Removing the letter M and unscrambling iterssi

More anagrams containing the letters I T E R S S I M
iterssmi itesimrs seitrmis isrmteis