On grammatical class:
- re'e
- emotion category/modifier: religious/spiritual/worship - sacrilege.
- ro'a
- emotion category/modifier: social - antisocial.
- ro'e
- emotion category/modifier: mental - mindless.
- ro'i
- emotion category/modifier: emotional - denying emotion.
- ro'o
- emotion category/modifier: physical - denying physical.
- ro'u
- emotion category/modifier: sexual - sexual abstinence.