Unscramble Renigrid

What is the meaning of word renigrid unscrambled?

What 8 letter words can be made from letters R E N I G R I D:

Make more words by adding or removing letters

How many 7 letter words can you make from letters R E N I G R I D?

1. dingier - Definition of dingier

2. grinder - Definition of grinder

3. regrind - Definition of regrind

4. ridgier - Definition of ridgier

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling enigrid
2) Removing the letter E and unscrambling rnigrid
3) Removing the letter N and unscrambling reigrid
4) Removing the letter I and unscrambling rengrid
5) Removing the letter G and unscrambling renirid
6) Removing the letter R and unscrambling renigid
7) Removing the letter I and unscrambling renigrd
8) Removing the letter D and unscrambling renigri

More anagrams containing the letters R E N I G R I D
reniidgr reniidrg ierdgrni niridger