raid rail rally ramble rampant random range rarely ratio rational ravage rave raw readily realm reap rear reasonable reassure recall recede receipt reception recession recipe recipient reciprocal recital recite reckless reckon reckon with sb reclaim recline recommendation reconcile recover recruit rectangle rectify recycle redeem redundant reel reference referendum refine refrain refrain from refreshing refreshment refugee refund refusal regarding regardless regeneration register registrar regulate rehabilitate reign reimburse reinforce rejoice relapse relay release relentless relevant reliable relief relinquish reluctant rely remarkable remedy remind remittance remnant remorse renaissance rendezvous renovation renowned repatriate repel repent repertoire repetition represent reproach reptile reputation request rescue resemblance resemble resent reserve revelation reverent review reverse revise revolve rhetoric reward rhythm rhetorical question retreat retrieve retrospect revenge revenue revolt ribbon ridge ridiculous rig reservoir resign resignation resilience resolution resonant resort resort to resource respiration responsive restless restore restrain resume retail retain reticent reticent retort righteous rigid rigorous rim riot rip ripple rise to the occasion ritual rival rivet roam roar roast robust role rot rotate rough rouse routine rub ruffle ruinous rule of thumb rumour rupture rural rust ruthless