There are 698 fourteen-letter words containing A, C, L and Y, https://www.bestwordlist.com/c/a/4/14letterwordswithacly.htm
ACCELERATINGLY ACCOUNTABILITY ACCUMULATIVELY ACETYLCHOLINES ACHROMATICALLY
ACKNOWLEDGEDLY ACRYLONITRILES ADRENERGICALLY ADSCITITIOUSLY AEROBIOTICALLY
AEROELASTICITY AERONAUTICALLY AETIOLOGICALLY AFFECTIONATELY AGRICULTURALLY
ALLOPATHICALLY ALLOPATRICALLY ALLOSTERICALLY ALLOTROPICALLY ALPHABETICALLY
ALPHAMERICALLY ALTIMETRICALLY ALTRUISTICALLY ANACHRONICALLY ANAMNESTICALLY
ANCHORITICALLY ANESTHETICALLY ANISODACTYLOUS ANTHRACYCLINES ANTIBIOTICALLY
ANTICHLAMYDIAL ANTICIPATIVELY ANTICIPATORILY ANTIDROMICALLY ANTIPHONICALLY
ANTISEPTICALLY ANTISYPHILITIC ANTITECHNOLOGY ANTITHETICALLY APHORISTICALLY
APOCALYPTICISM APOCRYPHALNESS APODEICTICALLY APOLOGETICALLY APOPLECTICALLY
APOSEMATICALLY APOTROPAICALLY APPRECIATIVELY APPRECIATORILY ARCHAEOZOOLOGY
ARCHETYPICALLY ARITHMETICALLY ARTIODACTYLOUS ASTIGMATICALLY ASTROLOGICALLY
ASTRONOMICALLY ASYMMETRICALLY ASYMPTOTICALLY ASYNCHRONOUSLY AUDIOLOGICALLY
AUTOCATALYSING AUTOCATALYZING AUTOCRATICALLY AUTOPHYTICALLY AXISYMMETRICAL
BACTERICIDALLY BACTERIOLYSINS BAROMETRICALLY BATHYGRAPHICAL BIOARCHAEOLOGY
BIOCLIMATOLOGY BIODYNAMICALLY BIOGENETICALLY BIOGRAPHICALLY BLACKBERRYINGS
BOLOMETRICALLY BRACHYCEPHALIC BRACHYDACTYLIC BRACHYDIAGONAL CACOPHONICALLY
CALYCANTHEMIES CAMPYLOBACTERS CAMPYLOTROPOUS CANTANKEROUSLY CARBONYLATIONS
CARBOXYLATIONS CATALEPTICALLY CATAPHORICALLY CATECHETICALLY CHARACTEROLOGY
CHLAMYDOSPORES CHLORARGYRITES CHLOROARGYRITE CHOLESTYRAMINE CHYLIFICATIONS
CLAIRAUDIENTLY CLAIRVOYANCIES CLASSIFICATORY CLAVICYTHERIUM COCARBOXYLASES
COELANAGLYPHIC COESSENTIALITY COEVOLUTIONARY COINCIDENTALLY COLLAPSABILITY
COLLAPSIBILITY COLLECTABILITY COLORISTICALLY COMMENSURATELY COMPENSABILITY
COMPLEMENTALLY CONCEIVABILITY CONCENTRATEDLY CONCENTRICALLY CONCILIATORILY
CONDENSABILITY CONDITIONALITY CONFESSIONALLY CONFIDENTIALLY CONFIRMABILITY
CONFORMABILITY CONGRATULATORY CONQUERABILITY CONSERVATIVELY CONSTRUABILITY
CONSULTATIVELY CONTEMPORARILY CONTESTABILITY CONTINUATIVELY CONTRACYCLICAL
CONTRAPUNTALLY CONTUMACIOUSLY CONVALESCENTLY CONVENTIONALLY CONVOLUTIONARY
CORPUSCULARITY COSMOLOGICALLY COUNTERPLAYERS COUNTERPLAYING COXCOMBICALITY
CROTONALDEHYDE CRYOBIOLOGICAL CRYSTALISATION CRYSTALIZATION CRYSTALLISABLE
CRYSTALLITISES CRYSTALLIZABLE CRYSTALLOMANCY CURVILINEARITY CYANOACETYLENE
CYANOACRYLATES CYANOBACTERIAL CYANOCOBALAMIN CYANOETHYLATED CYANOETHYLATES
CYBERATHLETICS CYBERCRIMINALS CYBERNETICALLY CYBERSTALKINGS CYCLANTHACEOUS
CYCLOADDITIONS CYCLOALIPHATIC CYCLOBARBITONE CYCLOHEXANONES CYCLOOXYGENASE
CYCLOPARAFFINS CYCLOPENTOLATE CYCLOSTOMATOUS CYLINDRICALITY CYSTOLITHIASES
CYSTOLITHIASIS CYTOSTATICALLY DACTYLIOGRAPHY DACTYLIOLOGIES DACTYLOGRAPHER
DACTYLOGRAPHIC DACTYLOSCOPIES DECARBOXYLASES DECARBOXYLATED DECARBOXYLATES
DECLENSIONALLY DEMOCRATICALLY DEPRECIATINGLY DERMATOGLYPHIC DIACHRONICALLY
DIAGENETICALLY DIAGNOSTICALLY DIELECTRICALLY DIPLOMATICALLY DIRECTIONALITY
DISCIPLINARILY DISCIPLINARITY DISCONSOLATELY DISCOURAGINGLY DISCRETIONALLY
DISCRIMINATELY DISSOCIABILITY DISSYMMETRICAL DIVARICATINGLY DODECASYLLABIC
DODECASYLLABLE DOLICHOCEPHALY DYNAMOELECTRIC DYNAMOMETRICAL EGOCENTRICALLY
ELECTROCAUTERY ELECTRODYNAMIC ELECTROMYOGRAM ELECTRONICALLY ELECTROTHERAPY
ELECTROVALENCY EMBLEMATICALLY EMPATHETICALLY EMPYREUMATICAL ENCEPHALOPATHY
ENCYCLOPAEDIAS ENCYCLOPAEDISM ENCYCLOPAEDIST ENCYCLOPEDICAL ENDODONTICALLY
ENDOPHYTICALLY ENDOSCOPICALLY ENDOSMOTICALLY ENFORCEABILITY ENHARMONICALLY
ENTHYMEMATICAL EPEXEGETICALLY EPIGENETICALLY EPIGRAPHICALLY EQUIVOCATINGLY
ERYTHROBLASTIC ESTROGENICALLY ETHNOLOGICALLY ETYMOLOGICALLY EUGEOSYNCLINAL
EULOGISTICALLY EUPHUISTICALLY EXCEPTIONALITY EXCRUCIATINGLY EXOTHERMICALLY
EXTRACTABILITY EXTRINSICALITY FANTASTICALITY FATALISTICALLY FURFURACEOUSLY
FUTURISTICALLY GENEALOGICALLY GENETHLIACALLY GEOCENTRICALLY GEOGNOSTICALLY
GEOGRAPHICALLY GEOPOLITICALLY GLYCERALDEHYDE GLYCOALKALOIDS GLYCOSIDICALLY
GLYCOSYLATIONS GRAMMATICALITY GYNAECOLOGICAL GYNAECOLOGISTS GYROSCOPICALLY
GYROSTATICALLY HEDONISTICALLY HIERARCHICALLY HIEROGLYPHICAL HISTOGENICALLY
HISTOLOGICALLY HISTOLYTICALLY HISTRIONICALLY HOMOPHONICALLY HUMANISTICALLY
HYDRAULICKINGS HYDROCEPHALICS HYDROCEPHALIES HYDROCEPHALOID HYDROCEPHALOUS
HYDROCOLLOIDAL HYDROCORALLINE HYDRODYNAMICAL HYDROGRAPHICAL HYDROKINETICAL
HYDROLOGICALLY HYDROLYTICALLY HYDROPONICALLY HYETOGRAPHICAL HYGROGRAPHICAL
HYPERBARICALLY HYPERBATICALLY HYPERBOLICALLY HYPERCALCAEMIA HYPERCALCAEMIC
HYPERCALCEMIAS HYPERCATABOLIC HYPERCATALEXES HYPERCATALEXIS HYPERDACTYLIES
HYPEREXCITABLE HYPERGLYCAEMIA HYPERGLYCAEMIC HYPERGLYCEMIAS HYPERGOLICALLY
HYPERMASCULINE HYPERMETABOLIC HYPERREALISTIC HYPERSONICALLY HYPERTROPHICAL
HYPERVIGILANCE HYPOALLERGENIC HYPOCALCAEMIAS HYPOCORISTICAL HYPOCRITICALLY
HYPODERMICALLY HYPOGLYCAEMIAS HYPONASTICALLY HYPOSTATICALLY HYPOTHETICALLY
HYPSOGRAPHICAL HYSTERETICALLY IATROGENICALLY ICHTHYOLATRIES ICHTHYOLATROUS
ICHTHYOLOGICAL IDEALISTICALLY IDIOPATHICALLY IMMETHODICALLY IMPARISYLLABIC
IMPEACHABILITY IMPRACTICALITY INAPPROACHABLY INARTICULATELY INARTIFICIALLY
INARTISTICALLY INAUSPICIOUSLY INCANDESCENTLY INCOGITABILITY INCOMMUNICABLY
INCONSIDERABLY INCONTROLLABLY INCORPOREALITY INDECIPHERABLY INEFFECTUALITY
INELUCTABILITY INEXCUSABILITY INFLECTIONALLY INSCRUTABILITY INSECTICIDALLY
INTELLECTUALLY INTOXICATINGLY INTRACARDIALLY INTRACRANIALLY INTRACTABILITY
INTRINSICALITY IODOMETRICALLY IRRECONCILABLY IRREPROACHABLY IRRESUSCITABLY
IRREVOCABILITY ISENTROPICALLY ISOMORPHICALLY ISOPIESTICALLY JINGOISTICALLY
JUSTICIABILITY KARYOTYPICALLY LACHRYMATORIES LACHRYMOSITIES LARYNGECTOMEES
LARYNGECTOMIES LARYNGOLOGICAL LARYNGOSCOPIES LARYNGOSCOPIST LECYTHIDACEOUS
LEGALISTICALLY LEPTODACTYLOUS LEUCOCYTHAEMIA LEUCOCYTOPENIA LEUKOCYTOPENIA
LIMNOLOGICALLY LINGUISTICALLY LITHOLOGICALLY LOCALISABILITY LOCALIZABILITY
LOXODROMICALLY LYCANTHROPISTS LYMPHOSARCOMAS MACHINEABILITY MACRODACTYLIES
MACRODACTYLOUS MACROSOCIOLOGY MALACOPHYLLOUS MALCONTENTEDLY MANOMETRICALLY
MARTYROLOGICAL MATHEMATICALLY MEDICAMENTALLY MEGAPHONICALLY MEGASCOPICALLY
MEGATECHNOLOGY METAPHORICALLY METAPHYSICALLY METAPSYCHOLOGY METASTATICALLY
METATHETICALLY METEMPIRICALLY METROLOGICALLY METRONOMICALLY MICROLOGICALLY
MISCLASSIFYING MISOGYNISTICAL MONOCARBOXYLIC MONOCARPELLARY MONOLITHICALLY
MONOMANIACALLY MONOPHONICALLY MORALISTICALLY MORGANATICALLY MUCILAGINOUSLY
MYELENCEPHALIC MYELENCEPHALON MYOGRAPHICALLY MYRMECOLOGICAL MYSTAGOGICALLY
MYSTICALNESSES MYTHOLOGICALLY NANOTECHNOLOGY NEUROGENICALLY NEUROLOGICALLY
NONCOMMITTALLY NONCRYSTALLINE NONFICTIONALLY NONGENETICALLY NONPOLITICALLY
NONRECYCLABLES NONSENSICALITY NONSYMMETRICAL NONTECHNICALLY NORMOGLYCAEMIA
NORMOGLYCAEMIC NORMOGLYCEMIAS NOVELISTICALLY NUMISMATICALLY NYMPHOMANIACAL
OCCUPATIONALLY OLIGARCHICALLY OLIGOCYTHAEMIA OPHTHALMOSCOPY OPTIMISTICALLY
ORGANISMICALLY OROGENETICALLY OROGRAPHICALLY ORTHOGENICALLY ORTHOPEDICALLY
OSMOMETRICALLY OSTEOLOGICALLY OVERANALYTICAL OVERCAUTIOUSLY OXYMORONICALLY
PACHYDACTYLOUS PACIFISTICALLY PAGANISTICALLY PANGENETICALLY PANTOMIMICALLY
PARABIOTICALLY PARADISAICALLY PARADISIACALLY PARADOXICALITY PARAMETRICALLY
PARAPSYCHOLOGY PARATACTICALLY PATHOLOGICALLY PENTADACTYLIES PENTADACTYLISM
PENTADACTYLOUS PEPTIDOGLYCANS PERCEIVABILITY PERCUTANEOUSLY PERFECTABILITY
PERIMETRICALLY PERISCOPICALLY PERISSODACTYLE PERISSODACTYLS PERLOCUTIONARY
PERTINACIOUSLY PETROLOGICALLY PHANTASMICALLY PHENOLOGICALLY PHENOTYPICALLY
PHILATELICALLY PHILOLOGICALLY PHLEGMATICALLY PHONEMATICALLY PHONOLOGICALLY
PHOTOCATALYSES PHOTOCATALYSIS PHOTOCATALYTIC PHOTOGENICALLY PHOTOLYTICALLY
PHOTOTYPICALLY PHTHALOCYANINE PHTHALOCYANINS PHYLLOSILICATE PHYLLOTACTICAL
PHYSICALNESSES PHYSIOGNOMICAL PHYTOCHEMICALS PHYTOGENETICAL PHYTOLOGICALLY
PLATINOCYANIDE PLATYCEPHALOUS PLEONASTICALLY POLYACRYLAMIDE POLYCARBONATES
POLYCARBOXYLIC POLYCARPELLARY POLYCHROMATISM POLYCYTHAEMIAS POLYDACTYLISMS
POLYPHARMACIES POLYPHONICALLY POLYSACCHARIDE POLYSACCHAROSE POLYSYLLABICAL
POLYTHEISTICAL POSTAPOCALYPSE POSTCOPULATORY POSTSURGICALLY PRACTICABILITY
PRAGMATICALITY PRECEDENTIALLY PRECESSIONALLY PREDICTABILITY PREVOCALICALLY
PROCESSABILITY PROCESSIONALLY PROCRYPTICALLY PROSTHETICALLY PROTOTYPICALLY
PSYCHOANALYSED PSYCHOANALYSER PSYCHOANALYSES PSYCHOANALYSIS PSYCHOANALYSTS
PSYCHOANALYTIC PSYCHOANALYZED PSYCHOANALYZER PSYCHOANALYZES PSYCHOBABBLERS
PSYCHOBABBLING PSYCHOCHEMICAL PSYCHOGALVANIC PSYCHOMETRICAL PSYCHOPHYSICAL
PSYCHOSEXUALLY PSYCHOSOCIALLY PSYCHOSURGICAL PTERYLOGRAPHIC PUGILISTICALLY
PURCHASABILITY PYROCHEMICALLY PYROMETRICALLY QUADRISYLLABIC QUINQUEVALENCY
QUINQUIVALENCY RADIOLOGICALLY RAMBUNCTIOUSLY RECAPITULATORY RECONCILIATORY
RECOVERABILITY RECREATIONALLY RECRYSTALLISED RECRYSTALLISES RECRYSTALLIZED
RECRYSTALLIZES RECTANGULARITY RECTIFIABILITY RECTILINEARITY REFLECTOGRAPHY
REPLACEABILITY RESPECTABILITY RETRACEABILITY RETRACTABILITY RETRACTIBILITY
SACRAMENTALITY SACRILEGIOUSLY SACROCOCCYGEAL SATISFACTORILY SCEUOPHYLACIUM
SCHISMATICALLY SCHOLASTICALLY SCHOOLMASTERLY SCIENTIFICALLY SCLERENCHYMATA
SEMAPHORICALLY SEMICIRCULARLY SEMICRYSTALLIC SEMIOFFICIALLY SEMIOLOGICALLY
SERIOCOMICALLY SERVICEABILITY SIMPLISTICALLY SOCIOLOGICALLY SOLECISTICALLY
SPECTACULARITY SPHAEROCRYSTAL SPHEROIDICALLY STAPHYLOCOCCAL STAPHYLOCOCCIC
STAPHYLOCOCCUS STOCHASTICALLY STRETCHABILITY STYLOGRAPHICAL SUBCLASSIFYING
SUBCUTANEOUSLY SUBGENERICALLY SUBJECTABILITY SUBLIEUTENANCY SUCCESSIONALLY
SUPERFICIALITY SUPERSONICALLY SUPPLICATINGLY SYCOPHANTISHLY SYCOPHANTLIEST
SYLLABICATIONS SYMBIONTICALLY SYMBOLICALNESS SYMPATHOLYTICS SYNCHROFLASHES
SYNCHRONICALLY SYNERGETICALLY SYPHILITICALLY SYSTEMATICALLY TACHYGRAPHICAL
TALISMANICALLY TAUTOLOGICALLY TELEMETRICALLY TELEOLOGICALLY TELEPATHICALLY
TELEPHONICALLY TELESCOPICALLY TELESMATICALLY TETRADACTYLIES TETRADACTYLOUS
THEOCRATICALLY THEOSOPHICALLY THYMELAEACEOUS TRAFFICABILITY TRAGICOMICALLY
TRANSCENDENTLY TRANSCENDINGLY TRANSPICUOUSLY TROPOLOGICALLY TYRANNICALNESS
ULTRAMICROTOMY ULTRASONICALLY UNACADEMICALLY UNACCUSTOMEDLY UNAPPROACHABLY
UNARTIFICIALLY UNATHLETICALLY UNATTRACTIVELY UNCHIVALROUSLY UNCLASSIFIABLY
UNCONCILIATORY UNCONGENIALITY UNCONSCIONABLY UNCONTROLLABLY UNCOURAGEOUSLY
UNCRYSTALLISED UNCRYSTALLIZED UNDECIDABILITY UNDECIPHERABLY UNDIDACTICALLY
UNDISCOVERABLY UNDISTRACTEDLY UNDOGMATICALLY UNDRAMATICALLY UNEMPHATICALLY
UNHISTORICALLY UNHYSTERICALLY UNICELLULARITY UNMETAPHYSICAL UNPEDANTICALLY
UNPRACTICALITY UNRECOGNISABLY UNRECOGNIZABLY UNRECONCILABLY UNRHYTHMICALLY
UNROMANTICALLY UNSCRIPTURALLY UNSPECIFICALLY UNSYSTEMATICAL UNTOUCHABILITY
URBANISTICALLY VERTICILLATELY VITALISTICALLY VITICULTURALLY VOLUMETRICALLY
XENOPHOBICALLY XEROPHYTICALLY ZYGODACTYLISMS