English-language words include:
oater
occur
ocher
odder
odour
offer
ofter
ogler
oiler
older
order
Oscar
osier
other
otter
outer
owner
oxter
These results were produced by the crossword engine found online at: http://www.ojohaven.com/fun/crossword.HTML
Some five letter words that start with R are:racerradarradiorallyrapidreachregalrelayrepayremitresinrhymeriderridgerinserivalriverrivetroachrobinrobotroostrulerrumorrusty
Some five letter words that start with J are:jauntjawedjellyjeweljimmyjointjokerjoustjudgejuror
cablecellochildchillcoilscoolscurls
puree
Yodel
Some five letter words that start with K are:kabobkapokkaputkayakkazookhakiknavekneelknifeknockkrill
Some five letter words that start with K are:kabobkaputkarmakayakkazooketchkhakikiddokinkykioskkittyklutzknackknavekneelknifeknishknockknollknownkoalakookykrillkronakronekudzukayak
Some five letter words starting with T are:tabletaffytapirtardytarottasteteachteethtenthtersetheirtherethreethumbtigertithetitletokentoothtopaztorchtouchtoughtowertracktraintramptreattrouttrucktrunktrusttruthtummytumortweettwine
Some five letter words that start with R are:racerradarradiorallyrapidreachregalrelayrepayremitresinrhymeriderridgerinserivalriverrivetroachrobinrobotroostrulerrumorrusty
Some five letter words that start with K are:kabobkaputkarmakayakkazookelly (green)ketchkhakikiddokinkykioskkittyklutzknackknavekneadkneelknifeknockknollknownkoalakookykrautkrill
essayemaileraseelateeditsenjoyeludeerodeeagleearthelopeempty
Some 5 letter words beginning with G:GableGamerGaminGamutGarthGaugeGauntGauzeGavelGeckoGeekyGeeseGelidGeniaGenieGeniiGenreGeodeGetupGhostGhoulGiantGiddyGimmeGirlyGirthGivenGiverGizmoGladeGlandGlareGlassGlazeGleamGleanGlideGloomGlossGloveGnarlGnashGnomeGodlyGoferGoofyGooseGourdGraceGradeGrainGrandGrapeGraphGraspGrassGrateGraveGravyGreatGreedGreekGreenGreetGriefGrillGrimeGrindGroinGroomGropeGrossGroupGroutGroveGrownGruelGrumpGruntGuardGuessGuestGuideGuildGuileGuiltGuiseGumboGummyGunnyGuppyGushyGustoGutsyGypsyGyrosGyved
Some five letter words that start with J are:jauntjawedjellyjeweljimmyjointjokerjoustjudgejuror
karob. kebob.
cablecellochildchillcoilscoolscurls
puree
Yodel