Unscramble Rerptoid

What is the meaning of word rerptoid unscrambled?

What 8 letter words can be made from letters R E R P T O I D:

Make more words by adding or removing letters

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

1. diopter - Definition of diopter

2. dioptre - Definition of dioptre

3. peridot - Definition of peridot

4. Pierrot - Definition of Pierrot

5. preriot - Definition of preriot

6. proteid - Definition of proteid

Which 7 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter R and unscrambling erptoid
2) Removing the letter E and unscrambling rrptoid
3) Removing the letter R and unscrambling reptoid
4) Removing the letter P and unscrambling rertoid
5) Removing the letter T and unscrambling rerpoid
6) Removing the letter O and unscrambling rerptid
7) Removing the letter I and unscrambling rerptod
8) Removing the letter D and unscrambling rerptoi

More anagrams containing the letters R E R P T O I D
rertdiop rertdipo rdrteoip rdiepotr