Unscramble Erration

What is the meaning of word erration unscrambled?

What 8 letter words can be made from letters E R R A T I O N:

1. anterior - Definition of anterior

Make more words by adding or removing letters

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

1. retrain - Definition of retrain

2. terrain - Definition of terrain

3. trainer - Definition of trainer

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling rration
2) Removing the letter R and unscrambling eration
3) Removing the letter R and unscrambling eration
4) Removing the letter A and unscrambling errtion
5) Removing the letter T and unscrambling erraion
6) Removing the letter I and unscrambling erraton
7) Removing the letter O and unscrambling erratin
8) Removing the letter N and unscrambling erratio

More anagrams containing the letters E R R A T I O N
erratnio erratnoi enaoirtr eantoirr