Unscramble Igration

What is the meaning of word igration unscrambled?

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

1. rigatoni - Definition of rigatoni

Make more words by adding or removing letters

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

1. airting - Definition of airting

2. ignitor - Definition of ignitor

3. orating - Definition of orating

4. rioting - Definition of rioting

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling gration
2) Removing the letter G and unscrambling iration
3) Removing the letter R and unscrambling igation
4) Removing the letter A and unscrambling igrtion
5) Removing the letter T and unscrambling igraion
6) Removing the letter I and unscrambling igraton
7) Removing the letter O and unscrambling igratin
8) Removing the letter N and unscrambling igratio

More anagrams containing the letters I G R A T I O N
igratnio igratnoi niiograt nrogtiia