republic republican request require requirement rescue research
researcher resemble reservoir resident resign resist resistance
resistant resolution resolve resource respect respectful
respectively respond response responsibility responsible rest
restaurant restless restore restrict restriction result retain
retell retire return reveal review revise revolution revolutionary
reward rhythm ribbon rice rich rid riddle ride rider ridiculous
right rigid ring ripe ripen rise risk rival river road roar roast
rob robber robbery robot rock rocket rod role roll roll out roller
romantic roof root rope rose rot rotate rotation rotten rough roughly
round rouse route routine row royal rub rub down rub off rub out rubber
rubbish rude rug ruin