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There are 937 eighteen-letter words containing I, L, N and 3O

(page 5)

nontrivial␣solutionnormophysiologicalnormoprolactinemicnostocyclopeptidesnucleopleomorphismnucleopolyhedrosisnucleoriboproteinsobligatorificationoblique␣correctionsoblique␣projectionsobservational␣errorobservation␣balloonoccipitosphenoidalocculodentodigitaloctachlorobiphenyloesophagobronchialOld␣World␣porcupinesoligocellodextrinsoligodendrocytomasoligodendrogenesisoligodendrogliomaloligodendrogliomasoligodendrogliosisoligodendropathiesoligoendopeptidaseoligofractionatingoligofractionationoligogalacturonateoligogalacturonideoligohymenophoreanoligohypomenorrheaoligomeganephroniaoligonucleotidasesoligooxopiperazineoligoribonucleasesomnidenominationalon␣a␣collision␣courseoncohaematologicalonomatopoieticallyontoepistemologieson␣trial␣for␣one's␣lifeoperating␣room␣tableoperationalisationoperationalizationOppression␣Olympicsoptoelectronicallyordinary␣resolutionorganolithotrophicorganopathologicalOriental␣Orthodoxesorthogonal␣functionorthogonalisationsorthogonalizationsorthonormalisationorthonormalizationosseocartilaginousosteoblastogenesisosteocalcificationosteocartilagenousosteocartilaginousosteoclastogenesisosteoclastogeneticosteoimmunologicalosteoproliferationout␣of␣all␣proportionoutwardlookingness outward-lookingnessoveremotionalizingoverextrapolationsoverglorificationsoverpoliticizationoverproportionallyoverpsychologizingoversolicitousnessovolactovegetarian ovo-lacto-vegetarianoxazaphospholidineoxazolidinethionespachinko␣allocationPalaeodicotyledonspalaeoentomologistpalaeoethnologicalpalaeoethnologistspalaeoichnologicalpalaeolimnologicalpalaeolimnologistspalaeoneurologicalpalaeoneurologistspalaeornithologistpaleochronologicalpaleoentomologicalpaleoentomologistspaleoethnobotanistpaleooceanographicpaleopalynologicalpaleopalynologistspaleornithologicalpaleornithologistspalinactinodromouspentachloroanisolepentafluorobenzoicperfluoroarylationpericombobulationsphallologocentrismpharmacoeconomicalpharmacomodulationphenomenologicallyPhilippine␣ironwoodphilosopher's␣stones philosophers'␣stonesphilosophies␣of␣mindphloroglucinolysisphonomicrosurgicalphosphoacetylationphosphocholinationphosphoglucokinasephosphoglucosaminephospholipomannansphospholipoproteinphosphonucleosidesphosphonucleotidesphosphorylcholinesphotoacclimationalphotoantimicrobialphotoassimilationsphotobiomodulationphotobiotechnologyphotochlorinationsphotoconceptualismphotoconceptualistphotocrosslinkablephotocrosslinkingsphotocycloadditionphotodecolourationphotoencapsulationphotoendosomolysisphotoendosomolyticphotofunctionalizephotogravitationalphotolithographingphotostabilizationphotosterilizationphototriangulationphytoplanktivorouspicornavirologistsPinocchio␣illusionsplastohydroquinonepoints␣of␣inflectionpoisoned␣complimentPoland␣Is␣Not␣Yet␣Lostpolarization␣vectorpolice␣commissioner

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