Grade 10.
- rationalisation
- rationalization
- rationalizations
- rationalize
- reaccommodates
- reacquaint
- reacquaintance
- reannouncement
- reappointments
- reauthorization
- recategorizing
- recirculations
- reclassifications
- recommissioned
- recon
- reconciliation
- reconciling
- reconfiguration
- reconfirmation
- reconnaissance