R: r-req | res-ru

research
re-sequence
residual
resistance:
resolution
resource
respect
respondent
response
responsibilit/y
responsible
responsive
responsiveness
restore
restriction
restructure
restructuring
result
resumption
retail
retailer
retain
retention
retest
retesting
retrain
retraining
retrenchment
retrievability
retrieval
retrofit
return
reuse
revalidation
reveal
revenue
re-verification
review
reviewable
revision
reward
rework
right
rigorous
risk
rivalry
Road voor de Certificatie
robustness
role
root
rotatability
rotation
route:
rule
run