- rationalize
- rarefy
- relax
- reflate
- reform
- recombine
- reclaim
- renormalise
- rationalise
- remodel
- redo
- revolutionise
- ripen
- reinstate
- rectify
- round out
- refine
- refreshen
- reconstruct
- renormalize
- reestablish
- regenerate
- redress
- restore
- rarify
- restrict
- relapsing fever
- research
- refectory table
- run after
- resolution
- refractory
- reprobate
- revenue bond
- registered bond
- recognisance
- ride for a fall
- retainer
- refill
- repast
- remember
- resistance
- reactor
- rules of order
- rechewed food
- routine
- refuel
- reside with
- realism
- rodeo