Grade 9.
- reflectiveness
- regime
- rehabilitating
- rehabilitation
- reincarnations
- reinstate
- reinterpreting
- reintroduction
- reinvestigates
- reiterate
- rejuvenate
- rejuvenating
- relentlessness
- relinquish
- remarkableness
- remedial
- renounce
- renown
- reorganization
- repetitiveness