One in a Krillion +100RotavatorA rotary tiller trademark that Collins lists as a plain word.Deep Cut +85AbaAbbaA goat-hair cloth in Scrabble dictionaries, not just the band.AccaAgaAiaAkaAlaAlulaAmaAmmaAnaAnanaAnonaAraAraaraAraraAruraAsaAtaataAttaAuaAvaA pepper-family plant in Scrabble dictionaries, kava's cousin.AwaAwawaAyayaAzaBabBatabBubCaracDaadDeggedDeifiedDekedDeledDeleveledDennedDeredDetartratedWiktionary lists it: freed of tartaric acid, eleven letters long.DewedDioidDixidDodDoodEcceEirieEkeEmeEneEnimineEnoneEnyneEreEseEsseEvitativeExeEzeFinifGogGoogHadedahHagigahHahHajjahHalalahHallahHattahHehHohHuh-uhIpiIroriIwiKa'akKaiakKakKanakKazakKeekKelekKinnikinnikA Native American smoking mixture, eleven letters in Wiktionary.LahalLavalLemelLoolLysylMalamMalayalamDravidian language of Kerala with over 35 million speakers.MallamMamMarramMatamatamMeemMelemMemMhmMillimMimMinimMmmMommomMononomMurdrumNabanNannanNauruanNeenNevenNinNisinNonNoyonOboOhoOjoOnoOpoOppoOttoAlso a common noun: otto, a variant of attar of roses.OxoPapPip-pipPop-popPullupPut-upQajaqReccerRedividerWiktionary's entry, and the longest single-word palindrome most lists cite.ReifierRennerRepaperReviverRevverRotatorSaasSalasSamasSawbwasSedesSeitiesSekesSelesSellesSememesSemesSenesSeresSerresSessesShaddahsShahsSimisSirisSlahalsSosPlural of so, the fifth note of the scale.SossosStetsStotsSuccusSulusSususTallatTatTattarrattatJoyce's knock at the door in Ulysses, the OED's longest palindrome.TeretTerretTetTirritTorotTut-tutUduUluUmuUtuVavVivWawWelewWow-wowZizZuzZzzRare +60AnnaAn old Indian coin worth a sixteenth of a rupee.BibDudEweGigHuhKookLilLolMa'amMm-hmmNaanPepPipRedderSagasSeesSexesSisSolosSusTitTotTutYaySchooler +30AhaBobBoobCivicDeedDidEveEvening before an event, as in New Year's Eve.EyeGagMadamMumNanNoonNunPeepPoopPopPupRadarReferRotorStatsTenetTootPlankton +10DadKayakLevelMomRacecarWow
