Unscramble Errtions

What is the meaning of word errtions unscrambled?

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

1. introrse - Definition of introrse

Make more words by adding or removing letters

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

1. ironers - Definition of ironers

2. norites - Definition of norites

3. oestrin - Definition of oestrin

4. orients - Definition of orients

5. rioters - Definition of rioters

6. roister - Definition of roister

7. snorter - Definition of snorter

8. stonier - Definition of stonier

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter E and unscrambling rrtions
2) Removing the letter R and unscrambling ertions
3) Removing the letter R and unscrambling ertions
4) Removing the letter T and unscrambling errions
5) Removing the letter I and unscrambling errtons
6) Removing the letter O and unscrambling errtins
7) Removing the letter N and unscrambling errtios
8) Removing the letter S and unscrambling errtion

More anagrams containing the letters E R R T I O N S
errtiosn errtisno ietronsr rsneorit