Unscramble Errnaism

What is the meaning of word errnaism unscrambled?

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

1. mariners - Definition of mariners

Make more words by adding or removing letters

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

1. mariner - Definition of mariner

2. Marines - Definition of Marines

3. marries - Definition of marries

4. remains - Definition of remains

5. Riesman - Definition of Riesman

6. seminar - Definition of seminar

7. sierran - Definition of sierran

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling rrnaism
2) Removing the letter R and unscrambling ernaism
3) Removing the letter R and unscrambling ernaism
4) Removing the letter N and unscrambling erraism
5) Removing the letter A and unscrambling errnism
6) Removing the letter I and unscrambling errnasm
7) Removing the letter S and unscrambling errnaim
8) Removing the letter M and unscrambling errnais

More anagrams containing the letters E R R N A I S M
errnamis errnamsi marersin merairsn