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There are 738 eighteen-letter words containing A, C, I, 2L and 2O

(page 4)

neuroteratologicalneurotoxicologicalnicotine␣polacrilexnocturnal␣pollutionnonachlorobiphenylno␣names,␣no␣pack␣drillnonanthropologicalnoncholinergicallynonchronologicallynoncompositionallynonelectrochemicalnonepistemologicalnonimmunologicallynonlexicographicalnonlogarithmicallynonmicrobiologicalnonparasitologicalnonpharmacologicalnonphilosophicallynonphysiologicallynonproblematicallynonproteolyticallynontopographicallynormophysiologicalnucleometallationsocculodentodigitaloctachlorobiphenyloculofacioskeletaloecumenical␣council œcumenical␣counciloligochaetologistsoligogalacturonateoligogalacturonideoligonucleotidasesoligoribonucleasesolive-backed␣orioleson␣a␣collision␣courseoncohaematologicalonomatopoieticallyophthalmologicallyoptoelectronicallyorganopathologicaloriental␣pratincoleorthokeratologicaloscillographicallyosteoarcheologicalosteoimmunologicalosteomorphologicalotomicroscopicallyovercollateralizedovercollateralizesoverlexicalizationovermultiplicationoveroptimisticallyp-acetylaminophenolpachinko␣allocationpaedopsychologicalpalaeoclimatologicPalaeodicotyledonspalaeoecologicallypalaeoethnologicalpalaeogeographicalpalaeohistologicalpalaeohydrologicalpalaeoichnologicalpalaeolimnologicalpalaeomastologicalpalaeomicrobiologypalaeoneurologicalpalaeontographicalpalaeopathologicalpalaeophycologicalpaleobiolinguisticpaleochronologicalpaleoclimatologistpaleodemographicalpaleoentomologicalpaleoglaciologicalpaleoichthyologistpaleomalacologicalpaleomalacologistspaleomyrmecologistpaleopalynologicalpaleophysiologicalpaleopsychologicalpaleornithologicalpaleoseismologicalpaleospinothalamicpaleotopographicalparabolic␣reflectorpathomorphologicalpathophysiologicalpathopsychologicalpeckerwood␣sawmillspentachloroanisoleperfluorochemicalspericonceptionallyphallologocentrismpharmacophoricallyphenomenologicallyphenylchlorosilanephotoacclimationalphotoallergenicityphotocatalyticallyphotocrosslinkablephotomorphologicalphotophysiologicalphotosyntheticallyphysicotheologicalphysiopathologicalphytomorphologicalphytophysiologicalphytotoxicologicalpillow␣dictionariesplainclothespersonplatinochloric␣acidpoikiloblasticallypolitical␣commissarpolitical␣correctorpolitical␣economiespolitical␣economistpolitical␣footballspolitically␣correctpolitical␣prisonerspoliticocommercialpoliticohistoricalpolyacrylonitrilespolycarboxylic␣acidpolychromatophilespolychromatophiliapolychromatophilicpolyclonal␣antibodypolycontexturalitypolyfunctionalisedpolyfunctionalizedpolygon-circle␣graphpolyhydric␣alcoholspolymicrobacterialpolymolecularitiespolynomial␣functionpolypharmacologiespolyphthalocyaninepolysomnographicalpostconceptionallypostdiagnosticallypostglacial␣reboundpostmultiplicationpotentiometricallypotentiostaticallyprecompositionallypretranslocationalprime␣constellationpromorphologically

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