There are 568 thirteen-letter words containing A, C, H, O and S, https://www.bestwordlist.com/c/a/5/13letterwordswithachos.htm
ACCOMPLISHERS ACCOMPLISHING ACCOUCHEMENTS ACHLORHYDRIAS ACHROMATISING
ACHROMATOPSIA ACIDOPHILUSES ADIAPHORISTIC ADRENOCHROMES AEROMECHANICS
AETHRIOSCOPES AGROCHEMICALS AHISTORICALLY AHISTORICISMS AICHMOPHOBIAS
ALLOCHTHONOUS AMPHICTYONIES AMPHISTOMATIC AMPHITRICHOUS ANACHRONISTIC
ANACHRONOUSLY ANAPHRODISIAC ANCHORPERSONS ANGLOPHOBIACS ANTIPSYCHOTIC
APHRODISIACAL APOCHROMATISM ARACHNOIDITIS ARACHNOLOGIES ARACHNOLOGIST
ARACHNOPHOBES ARCHAEOLOGIES ARCHAEOLOGIST ARCHAEORNISES ARCHBISHOPRIC
ARCHEGONIATES ARCHEOLOGISTS ARCHEOMETRIES ARCHIPELAGOES ARCHIPHONEMES
ARCHOSAURIANS ARCTOPHILISTS ARISTOLOCHIAS ARTHRECTOMIES ARTHROSCOPIES
ASSOCIATESHIP ASTROPHYSICAL ASYNCHRONISMS ATMOSPHERICAL AUTOCEPHALIES
AUTOCEPHALOUS AUTOCHTHONIES AUTOCHTHONISM AUTOCHTHONOUS AUTORICKSHAWS
AUTOSCHEDIASM AUTOSCHEDIAZE BACHELORETTES BACHELORHOODS BACHELORSHIPS
BEACHCOMBINGS BEHAVIORISTIC BIOPHYSICALLY BODYSNATCHERS BRACHIOSAURUS
BRACHYPTEROUS BREECHLOADERS BRONCHOSPASMS CACHINNATIONS CACOPHONOUSLY
CAMPHORACEOUS CANCERPHOBIAS CANDLEHOLDERS CAPNOGRAPHIES CARBOHYDRASES
CARBOHYDRATES CARDIOPATHIES CARTOGRAPHERS CARTOGRAPHIES CARTOPHILISTS
CATASTROPHISM CATASTROPHIST CATECHISATION CATHETOMETERS CATHIODERMIES
CATHODOGRAPHS CATHOLICISING CATHOLICITIES CEPHALISATION CEPHALOMETERS
CEPHALOPODANS CEPHALOPODOUS CEPHALOSPORIN CEPHALOTOMIES CERAUNOGRAPHS
CEROGRAPHISTS CHAENOMELESES CHALAZOGAMIES CHALCEDONYXES CHALCOGENIDES
CHALCOPYRITES CHALICOTHERES CHAMPIONESSES CHAMPIONSHIPS CHANCELLORIES
CHANGEAROUNDS CHAPTERHOUSES CHARLESTONING CHECKERBOARDS CHEIROMANCERS
CHEIROMANCIES CHELUVIATIONS CHEMOAUTROPHS CHEMOSURGICAL CHEQUERBOARDS
CHIAROSCURISM CHIAROSCURIST CHILIAHEDRONS CHIMNEYBOARDS CHIROGRAPHERS
CHIROGRAPHIES CHIROGRAPHIST CHIROPRACTICS CHIROPRACTORS CHLAMYDOMONAS
CHLAMYDOSPORE CHLORAMBUCILS CHLORENCHYMAS CHLORINATIONS CHLOROPLASTAL
CHLOROPLASTIC CHOLESTERATES CHONDRIOSOMAL CHONDROBLASTS CHONDROMATOUS
CHONDROSAMINE CHONDROSTIANS CHOREGRAPHERS CHOREGRAPHIES CHOREPISCOPAL
CHOROGRAPHERS CHOROGRAPHIES CHORUSMASTERS CHRESTOMATHIC CHRISMATORIES
CHROMATICISMS CHROMATICNESS CHROMATOGRAMS CHROMATOLYSES CHROMATOLYSIS
CHROMATOPSIAS CHROMOSOMALLY CHRYSOCRACIES CINCHONACEOUS CLAUSTROPHOBE
CLAVICHORDIST CLEARINGHOUSE COACHBUILDERS COADJUTORSHIP COAUTHORSHIPS
COCHAIRPERSON COENAESTHESES COENAESTHESIA COENAESTHESIS COENESTHESIAS
COHABITATIONS COLLEAGUESHIP COLLIESHANGIE COLOURWASHING COMMANDERSHIP
COMMONWEALTHS COMPANIONSHIP CONSTABLESHIP CONTAINERSHIP COPARTNERSHIP
COPROPHAGISTS COPROPHILIACS CORESEARCHERS CORINTHIANISE CORPORALSHIPS
CORRIVALSHIPS COSMOCHEMICAL COSMOGRAPHERS COSMOGRAPHIES COSMOGRAPHIST
COSMOTHETICAL COUNTERCHARMS COUNTERSHAFTS CRASHWORTHIER CREATUREHOODS
CRITHOMANCIES CROSSHATCHING CROSSMATCHING CRYOTHERAPIES CUSTODIANSHIP
CYCLOTHYMIACS CYSTOGRAPHIES CYTOCHALASINS DECHLORINATES DIACHRONISTIC
DICHLAMYDEOUS DICHROMATISMS DICTATORSHIPS DIENCEPHALONS DISCOGRAPHERS
DISCOGRAPHIES DODECAHEDRONS DODECAPHONIES DODECAPHONISM DODECAPHONIST
DOLICHOSAURUS DOOMWATCHINGS ECHOLOCATIONS ELASMOBRANCHS ELECTROGRAPHS
ENCROACHMENTS EPENCEPHALONS ESCHATOLOGIES ESCHATOLOGIST ESCHSCHOLTZIA
ESCHSCHOLZIAS ESOPHAGOSCOPE ESOPHAGOSCOPY ETHEROMANIACS FLOWCHARTINGS
FRANCOPHOBIAS GALACTORRHEAS GENETHLIACONS GEOPHYSICALLY HAEMODYNAMICS
HAEMOPHILIACS HALLUCINATORS HALLUCINOGENS HARMONICHORDS HARUSPICATION
HECTOGRAPHIES HEMATOBLASTIC HEMICHORDATES HENCEFORWARDS HEPATECTOMIES
HEPATOSCOPIES HETEROBLASTIC HETEROCARPOUS HETERODACTYLS HETEROPLASTIC
HETEROTACTOUS HEXACHLORIDES HEXADACTYLOUS HIERACOSPHINX HIPPOCENTAURS
HIPPOCREPIANS HISTOCHEMICAL HOCHMAGANDIES HOLOPARASITIC HOMOSCEDASTIC
HOMOSOCIALITY HOUSECLEANING HUMIFICATIONS HYDNOCARPATES HYDROCEPHALUS
HYDROCRACKERS HYDRODYNAMICS HYDROSCOPICAL HYDROSTATICAL HYDROTHORACES
HYGROSCOPICAL HYPERCAUTIOUS HYPERREACTORS HYPERSARCOMAS HYPERSARCOSES
HYPERSARCOSIS HYPOACIDITIES HYPOCALCEMIAS HYPOCHONDRIAS HYPOGLYCEMIAS
HYPOTHECATORS HYPSOMETRICAL IATROCHEMISTS ICHNOGRAPHIES ICHTHYOCOLLAS
ICHTHYOFAUNAS ICHTHYOPSIDAN ICHTHYOSAURUS ICONOGRAPHERS ICONOGRAPHIES
ICONOMACHISTS INDOMETHACINS ISOCHEIMENALS KURCHATOVIUMS LACHRYMATIONS
LAUGHINGSTOCK LEPTOCEPHALUS LYCANTHROPIES LYCANTHROPIST LYMPHOBLASTIC
LYMPHOSARCOMA MACHAIRODONTS MACHTPOLITIKS MALACOPHILIES MALACOPHILOUS
MARCHIONESSES MARCONIGRAPHS MARSIPOBRANCH MASTIGOPHORIC MECHANISATION
MEGACEPHALOUS MELANCHOLIACS MELANCHOLIOUS MELANOCHROOUS MESENCEPHALON
MESOCEPHALICS MESOCEPHALIES MESOCEPHALISM MESOCEPHALOUS METACHRONISMS
MICROGRAPHERS MICROGRAPHICS MICROGRAPHIES MICROHABITATS MICROMACHINES
MICROPHYSICAL MONEYCHANGERS MONOCHROMATES MUSICOTHERAPY MYCETOPHAGOUS
MYTHICISATION NARCOHYPNOSES NARCOHYPNOSIS NECROGRAPHERS NECROPHILIACS
NEOSCHOLASTIC NONAESTHETICS NONALCOHOLICS NONARCHITECTS NONCHARACTERS
NONCHAUVINIST NONHISTORICAL NONHYSTERICAL NONPHYSICIANS NYMPHAEACEOUS
NYMPHOMANIACS OCHLOPHOBIACS ONYCHOMANCIES ONYCHOPHAGIES ONYCHOPHAGIST
ONYCHOPHORANS OPISTHOBRANCH ORCHESOGRAPHY ORCHESTRALIST ORCHESTRATERS
ORCHESTRATING ORCHESTRATION ORCHESTRATORS ORCHIDOMANIAS ORNITHISCHIAN
ORTHOSILICATE OSCILLOGRAPHS OSCILLOGRAPHY OSTEICHTHYANS OVERACHIEVERS
OVERCHARGINGS OYSTERCATCHER PACKINGHOUSES PAEDOPHILIACS PANCHROMATISM
PANPHARMACONS PANSOPHICALLY PANTECHNICONS PARACHRONISMS PARAPSYCHOSES
PARAPSYCHOSIS PAROCHIALISED PAROCHIALISES PAROCHIALISMS PAROCHIALIZES
PENTASTICHOUS PETROPHYSICAL PHAGOCYTISING PHAGOCYTOSING PHARMACOGNOSY
PHARMACOPEIAS PHARYNGOSCOPE PHARYNGOSCOPY PHELLOPLASTIC PHILHARMONICS
PHILOSOPHICAL PHLEGMAGOGICS PHLOGISTICATE PHONOCAMPTICS PHOTOCATHODES
PHOTODYNAMICS PHOTOMACHINES PHOTOSCANNING PHOTOVOLTAICS PHYCOXANTHINS
PHYSHARMONICA PHYSIOCRACIES PHYSIOGRAPHIC PHYSIOLOGICAL PICTOGRAPHIES
POLYCYTHEMIAS POSTHOLOCAUST POTICHOMANIAS PREHISTORICAL PROCATHEDRALS
PROMONARCHIST PROPHYLACTICS PROSENCEPHALA PROSENCHYMATA PSEPHOLOGICAL
PSILANTHROPIC PSYCHOANALYSE PSYCHOANALYST PSYCHOANALYZE PSYCHOBABBLED
PSYCHOBABBLER PSYCHOBABBLES PSYCHODYNAMIC PSYCHOGRAPHIC PSYCHOLOGICAL
PSYCHOMACHIAS PSYCHOMACHIES PSYCHOPATHICS PSYCHOPATHIES PSYCHOPATHIST
PSYCHOSOMATIC PSYCHOTHERAPY PSYCHOTICALLY PTOCHOCRACIES PYROCATECHINS
PYROCATECHOLS QUADRAPHONICS QUADRIPHONICS QUADROPHONICS RADIOCHEMISTS
REORCHESTRATE REPROGRAPHICS RETROPHILIACS RHABDOMANCERS RHABDOMANCIES
RHAPSODICALLY RHINOSCLEROMA RHOPALOCEROUS SACCHAROMETER SACCHAROMETRY
SACCHAROMYCES SADOMASOCHISM SADOMASOCHIST SANSCULOTTISH SARCOPHAGUSES
SCALENOHEDRON SCAPHOCEPHALI SCAPHOCEPHALY SCARAMOUCHING SCENOGRAPHERS
SCENOGRAPHIES SCEUOPHYLACIA SCEUOPHYLAXES SCHIZAEACEOUS SCHIZOCARPOUS
SCHIZOPHRENIA SCHIZOTHYMIAS SCHOLARLINESS SCHOLASTICATE SCHOLASTICISM
SCHOOLMARMISH SCHOOLMASTERS SCHOOLTEACHER SCLEROTHERAPY SCOPOPHILIACS
SCOPTOPHILIAS SCOPTOPHOBIAS SCRATCHBOARDS SCROPHULARIAS SEISMOGRAPHIC
SELENOGRAPHIC SEMIOCHEMICAL SHADOWCASTING SHAMBOLICALLY SHARECROPPERS
SHARECROPPING SHOCKUMENTARY SHORTCHANGERS SHORTCHANGING SOMATOTROPHIC
SOPHISTICALLY SOPHISTICATED SOPHISTICATES SOPHISTICATOR SPATCHCOCKING
SPECTATORSHIP SPECTROGRAPHS SPECTROGRAPHY SPERMATOTHECA SPHACELATIONS
SPHAGNICOLOUS SPLANCHNOCELE SPLANCHNOLOGY STAGECOACHING STAGECOACHMAN
STAGECOACHMEN STAPHYLOCOCCI STEREOGRAPHIC STICHOMYTHIAS STRATOSPHERIC
SUBARACHNOIDS SUBDEACONSHIP SYCOPHANTICAL SYCOPHANTISED SYCOPHANTISES
SYCOPHANTISMS SYCOPHANTIZED SYCOPHANTIZES SYCOPHANTLIER SYCOPHANTRIES
SYMPATHECTOMY SYMPATHOLYTIC SYMPHONICALLY SYNECDOCHICAL TACHEOMETRIES
TACHISTOSCOPE TAUTOCHRONISM TAUTOCHRONOUS TECHNOBABBLES TECHNOCRACIES
TECHNOMANIACS TECHNOPHILIAS TECHNOPHOBIAS TEPHROMANCIES TERPSICHOREAL
TERPSICHOREAN TETRASTICHOUS THALASSOCRACY THALASSOCRATS THEORETICIANS
THERMOPLASTIC THERMOSTATICS THORACENTESES THORACENTESIS THORACOPLASTY
THORACOSCOPES THORACOTOMIES THRASONICALLY THROATLATCHES TOUCHABLENESS
TOXICOPHAGOUS TOXICOPHOBIAS TRACHEOPHYTES TRACHEOTOMIES TRANSTHORACIC
TREACHEROUSLY TRICHOMONASES TRICHOPTERANS TRICHROMATISM TRISOCTAHEDRA
TROCHEAMETERS TROPHOBLASTIC TURBOCHARGERS UNSCHOLARLIKE VOUCHSAFEMENT
WATCHDOGGINGS WEATHERCLOTHS XANTHOCHROIAS XANTHOCHROIDS XANTHOCHROISM
XANTHOCHROOUS ZINCOGRAPHERS ZINCOGRAPHIES