robin
· rabbit
· raccoon
· ram
· rat
· reindeer
· rhinoceros
· raven
· roadrunner (bird)
· robin
· Rottweiler
· rattlesnake
The answer is Raccoon
Here are some possible words:racierrackerrafterraiderrailerraiserrammerrancorrangerrankerranterrapierrapperrapterraptorrasherrasperrasterratherratterreaderrealerreamerreaperrearerreaverrectorredderreeferreekerreelerregearrehearrenderrenoirrenterrepairresterrevoirrhymerribberricherridderriflerriggerrigourrimierrimmerringerrinserrioterripperriskerroaderroamerroarerrobberrockerrodderrollerromperrooferroomerrooterropierrosierrosterrotterrouserrouterrubberrubierrudderruggerruinerrummerrumourrunnerrusher . racerradarradiatorrafterrancherrancorratherrazorreaderreaperreappearrearreceiverrecorderrecoverregisterregularregulatorreindeerrelieverremainderrememberreminderremoverrenterreoccurrepairreporterresistorresponderretailerretainerretrieverrevolverriderrigorringerriserriverroarrobberrockerrollerrooferroosterrosterrubberruler
Neither.
tenderizer
riot
* daughter
Recap or remap.
resin rosin ricin
Words beginning with M and ending with R:MajorManagerMannerManorMarkerMarMasterMatadorMatterMayorMentorMergerMessengerMeterMeteorMinerMinisterMinorMiserMisterMixerModularMolarMonsterMotherMoverMowerMufflerMusterMutter
errite
killer, kilter, kisser
Words that begin with D and end with R:daggerdangerdaughterDeardeerdeliverdemurderringerdespairdeterdiaperdickerdinerdinnerdirectordisappeardisasterdishwasherdisorderdistributordiverdoctordollardormerdoordrawerdredgerdropperdroverdryerdrummerdumberduster