Unscramble Regrniid

What is the meaning of word regrniid unscrambled?

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

Make more words by adding or removing letters

How many 7 letter words can you make from letters R E G R N I 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 egrniid
2) Removing the letter E and unscrambling rgrniid
3) Removing the letter G and unscrambling rerniid
4) Removing the letter R and unscrambling regniid
5) Removing the letter N and unscrambling regriid
6) Removing the letter I and unscrambling regrnid
7) Removing the letter I and unscrambling regrnid
8) Removing the letter D and unscrambling regrnii

More anagrams containing the letters R E G R N I I D
reidginr reidgirn grdreiin idrnegri