There are 841 thirteen-letter words containing A, H, I, R and T, https://www.bestwordlist.com/c/a/5/13letterwordswithahirt.htm ACHROMATICITY ACHROMATISING ACHROMATIZING ACHROMATOPSIA ACTINOMORPHIC ACTINOTHERAPY ADIAPHORISTIC ADIATHERMANCY AEROLITHOLOGY AETHRIOSCOPES AFFREIGHTMENT AFFRIGHTENING AFFRIGHTMENTS AHISTORICALLY AHISTORICISMS AIRFREIGHTING AIRWORTHINESS ALPHABETARIAN ALPHABETIFORM ALPHABETISERS ALPHABETIZERS ALUMINOTHERMY AMPHIGASTRIUM AMPHIPROSTYLE AMPHITHEATERS AMPHITHEATRAL AMPHITHEATRES AMPHITHEATRIC AMPHITRICHOUS ANACATHARTICS ANACHRONISTIC ANTARTHRITICS ANTHEROZOOIDS ANTHOLOGISERS ANTHOLOGIZERS ANTHRACYCLINE ANTHRANILATES ANTHRAQUINONE ANTHROPOGENIC ANTHROPOPHAGI ANTIAPARTHEID ANTIARTHRITIC ANTIARTHRITIS ANTIAUTHORITY ANTICHRISTIAN ANTIDIARRHEAL ANTIHYDROGENS ANTIHYSTERICS ANTILOGARITHM ANTINEPHRITIC ANTIPHONARIES ANTIRACHITICS ANTIRHEUMATIC ANTISTROPHONS ANTITHROMBINS ANYTHINGARIAN AORTOGRAPHIES APHANIPTEROUS APHELIOTROPIC APOCHROMATISM APOSTROPHISED APOSTROPHISES APOSTROPHIZED APOSTROPHIZES ARACHNOIDITIS ARACHNOLOGIST ARCHAEOLOGIST ARCHAEOMETRIC ARCHEGONIATES ARCHEOLOGISTS ARCHEOMETRIES ARCHIMANDRITE ARCHITECTONIC ARCHITECTURAL ARCHITECTURES ARCTOPHILISTS ARISTOLOCHIAS ARITHMETICIAN ARITHMOMANIAS ARITHMOMETERS ARITHMOPHOBIA ARRHENOTOKIES ARTERIOGRAPHY ARTHRECTOMIES ARTHRITICALLY ARTHROPATHIES ARTHROSCOPIES ASPHETERISING ASPHETERIZING ASTRAPOPHOBIA ASTROPHYSICAL ATHEROGENESIS ATMOSPHERICAL ATTORNEYSHIPS AUTHENTICATOR AUTHORISATION AUTHORITARIAN AUTHORITATIVE AUTHORIZATION AUTOBIOGRAPHY AUTOGRAPHICAL AUTOMORPHISMS AUTORICKSHAWS AZATHIOPRINES BACKSTRAIGHTS BACTERIOPHAGE BACTERIOPHAGY BARAESTHESIAS BARRISTERSHIP BATHYMETRICAL BEHAVIORISTIC BEHAVIOURISTS BIBLIOTHECARY BIBLIOTHERAPY BIRDWATCHINGS BLAMEWORTHIER BLATHERSKITES BLEPHARITISES BLETHERATIONS BRACHYPTERISM BREATHABILITY BREATHALYSING BREATHALYZING BREATHINESSES CALLIGRAPHIST CANDLELIGHTER CARDIOPATHIES CARRIWITCHETS CARTOGRAPHIES CARTOPHILISTS CATASTROPHISM CATASTROPHIST CATHARTICALLY CATHETERISING CATHETERIZING CATHIODERMIES CEPHALOMETRIC CEROGRAPHISTS CESAREVITCHES CESAREWITCHES CHALCOPYRITES CHALICOTHERES CHARACTERISED CHARACTERISER CHARACTERISES CHARACTERISMS CHARACTERIZED CHARACTERIZER CHARACTERIZES CHARGEABILITY CHARIOTEERING CHARLATANICAL CHARLATANISMS CHARLATANRIES CHARLESTONING CHARTOGRAPHIC CHATEAUBRIAND CHIAROSCURIST CHIEFTAINRIES CHIMNEYBREAST CHIROGRAPHIST CHIROMANTICAL CHIROPRACTICS CHIROPRACTORS CHLORARGYRITE CHLORINATIONS CHLOROCALCITE CHLOROPLASTIC CHONDROSTIANS CHREMATISTICS CHRESTOMATHIC CHRISMATORIES CHROMATICALLY CHROMATICISMS CHROMATICNESS CHROMATOLYSIS CHROMATOLYTIC CHROMATOPSIAS CHROMONEMATIC CICATRICHULES CINEMATOGRAPH CLAVICHORDIST CLAVICYTHERIA CLIMATOGRAPHY COADJUTORSHIP COAUTHORSHIPS COINHERITANCE CONTAINERSHIP COPARTNERSHIP COPROPHAGISTS COPYRIGHTABLE CORINTHIANISE CORINTHIANIZE COSMOGRAPHIST CRAFTMANSHIPS CRAFTSMANSHIP CRASHWORTHIER CREATURESHIPS CRITHOMANCIES CROSSHATCHING CROSSMATCHING CRYOTHERAPIES CRYPTESTHESIA CRYPTOGRAPHIC CYSTOGRAPHIES DAUGHTERLIEST DAUGHTERLINGS DECHLORINATED DECHLORINATES DEMOGRAPHISTS DERMATOPHYTIC DIACHRONISTIC DIAPHANOMETER DIAPHOTOTROPY DIAPHRAGMATIC DIAPHRAGMITIS DIASTROPHISMS DIATHERMACIES DIATHERMANOUS DIBRANCHIATES DICHLORACETIC DICHROMATISMS DICTATORSHIPS DISAUTHORISED DISAUTHORISES DISAUTHORIZED DISAUTHORIZES DISENCHANTERS DISENTHRALLED DISHEARTENING DISINTHRALLED DITHYRAMBISTS DITTOGRAPHIES DRAFTSMANSHIP EARTHLINESSES ENANTIOMORPHS ENANTIOMORPHY ENTEROPATHIES EPICHEIREMATA EPITRACHELION ERGATOMORPHIC ERYTHROPENIAS ERYTHROPHOBIA ETHEREALISING ETHEREALITIES ETHEREALIZING ETHERISATIONS ETHERIZATIONS ETHEROMANIACS ETHNOGRAPHICA ETHNOGRAPHIES EXHEREDATIONS EXHILARATIONS FAITHWORTHIER FARTHINGLANDS FEATHERBRAINS FEATHEREDGING FEATHERSTITCH FEATHERWEIGHT FINGERBREADTH FLOWCHARTINGS FOREGATHERING FRANCHISEMENT GALRAVITCHING GARNISHEEMENT GASTROSOPHIES GERONTOPHILIA GERONTOPHOBIA GILLRAVITCHED GILLRAVITCHES GILRAVITCHING GLADIATORSHIP GLYPTOGRAPHIC GONADOTROPHIC GONADOTROPHIN GRADUATESHIPS GRAMOPHONISTS GRANTSMANSHIP GRAPHITISABLE GRAPHITIZABLE GRAPHOLOGISTS HAEMOPROTEINS HAGIOGRAPHIST HAIRSBREADTHS HAIRSPLITTERS HAIRSPLITTING HALLUCINATORS HALLUCINATORY HANDICRAFTERS HAPTOTROPISMS HARDSTANDINGS HARMONISATION HARMONIUMISTS HARMONIZATION HARUSPICATING HARUSPICATION HATEMONGERING HATEWORTHIEST HEADMISTRESSY HEARTBREAKING HEARTBURNINGS HEARTSICKNESS HEBRAISATIONS HEBRAIZATIONS HECTOGRAPHIES HECTOGRAPHING HELIOMETRICAL HELIOTROPICAL HELLGRAMMITES HEMICHORDATES HEMIPARASITES HEMIPARASITIC HEORTOLOGICAL HEPTAMETRICAL HERBORISATION HERBORIZATION HEREDITAMENTS HEREDITARIANS HERESTHETICAL HERMAPHRODITE HERMENEUTICAL HETEROBLASTIC HETEROGAMETIC HETEROGLOSSIA HETEROGRAPHIC HETEROOUSIANS HETEROPLASIAS HETEROPLASTIC HETEROTHALLIC HETEROTYPICAL HEURISTICALLY HEXAMETRISING HEXAMETRIZING HEXOBARBITALS HIBERNISATION HIBERNIZATION HIEROCRATICAL HIEROGRAMMATE HIEROGRAMMATS HIPPOCENTAURS HISTAMINERGIC HOLOPARASITES HOLOPARASITIC HOMOCHROMATIC HOMOIOTHERMAL HONOURABILITY HORIZONTALITY HORRIFICATION HORRIPILATING HORRIPILATION HORTICULTURAL HOUSEPAINTERS HUBRISTICALLY HUMANITARIANS HYBRIDISATION HYBRIDIZATION HYDRARTHROSIS HYDRASTININES HYDROGENATING HYDROGENATION HYDROLYSATION HYDROLYZATION HYDROMAGNETIC HYDROMETRICAL HYDROPATHICAL HYDROPATHISTS HYDROSTATICAL HYDROTHERAPIC HYDROTHORACIC HYDROXYACETIC HYDROXYLATING HYDROXYLATION HYETOGRAPHIES HYGROMETRICAL HYPERACTIVITY HYPERACUITIES HYPERCAUTIOUS HYPERCRITICAL HYPERESTHESIA HYPERINFLATED HYPERMETRICAL HYPERMETROPIA HYPERPARASITE HYPERRATIONAL HYPERREACTIVE HYPERREALISTS HYPERROMANTIC HYPERSALINITY HYPERSTHENIAS HYPERTHERMIAS HYPERVIGILANT HYPONATRAEMIA HYPONATRAEMIC HYPONATREMIAS HYPOPITUITARY HYPSOMETRICAL HYSTEROMANIAS IATROCHEMICAL IATROCHEMISTS ICHTHYOSAURUS IMMUNOTHERAPY IMPERATORSHIP INHABITRESSES INHALATORIUMS INHARMONICITY INTERBEHAVIOR INTERBRANCHES INTERCHAINING INTERCHANGERS INTERCHANGING INTERCHANNELS INTERCHAPTERS INTERHOSPITAL INTERWREATHED INTERWREATHES INTRATHECALLY INTRATHORACIC ISOGEOTHERMAL ISOSTHENURIAS JUSTICIARSHIP KINDHEARTEDLY KINEMATOGRAPH KINESITHERAPY KURCHATOVIUMS LABYRINTHICAL LABYRINTHITIS LACHRYMATIONS LAUGHWORTHIER LAUREATESHIPS LETHARGICALLY LITHOGRAPHERS LITHOGRAPHIES LITHOGRAPHING LOGARITHMICAL LYCANTHROPIES LYCANTHROPIST MACHAIRODONTS MASTIGOPHORAN MASTIGOPHORES MASTIGOPHORIC MATCHBOARDING MATRIARCHATES MEDIATORSHIPS MESOTHERAPIES METACHROMATIC METACHRONISMS METAMORPHISMS METAMORPHISTS METAMORPHOSIS METRORRHAGIAS MICROHABITATS MISANTHROPIES MISANTHROPIST MITHRIDATISED MITHRIDATISES MITHRIDATISMS MITHRIDATIZED MITHRIDATIZES MITOCHONDRIAL MODERATORSHIP MONOCHROMATIC MONOGRAPHISTS MONOTHERAPIES MOUTHWATERING MULTIAUTHORED MULTIBRANCHED MULTIWARHEADS MUSICOTHERAPY MYTHOGRAPHIES NAMEWORTHIEST NATUROPATHIES NEARSIGHTEDLY NEPHROPATHIES NEURASTHENIAC NEURASTHENIAS NEURASTHENICS NEUROPATHICAL NEUROPATHISTS NIGHTMARISHLY NITROMETHANES NONARCHITECTS NONHEREDITARY NONHISTORICAL NONHYSTERICAL NONTHEATRICAL NORMOTHERMIAS NOTHINGARIANS OCHLOCRATICAL OPISTHOBRANCH OPISTHOGRAPHS OPISTHOGRAPHY ORCHESTRALIST ORCHESTRATING ORCHESTRATION ORNITHISCHIAN ORNITHOGALUMS ORNITHOMANTIC ORNITHOPHOBIA ORTHOCEPHALIC ORTHODIAGONAL ORTHOEPICALLY ORTHOGNATHIES ORTHOGNATHISM ORTHOGONALISE ORTHOGONALITY ORTHOGONALIZE ORTHOGRAPHIES ORTHOGRAPHIST ORTHOPAEDICAL ORTHOPAEDISTS ORTHOPINAKOID ORTHOSILICATE OSTEOGRAPHIES OSTREOPHAGIES OVERBREATHING OVERHASTINESS OVERTHWARTING PAEDOTROPHIES PANCHROMATISM PANTOGRAPHIES PARAESTHESIAS PARAGNATHISMS PARAGRAPHISTS PARASYNTHESIS PARASYNTHETIC PARCHMENTIEST PARCHMENTISED PARCHMENTISES PARCHMENTIZED PARCHMENTIZES PARENTHESISED PARENTHESISES PARENTHESIZED PARENTHESIZES PARENTHETICAL PARTHENOGENIC PARTISANSHIPS PARTIZANSHIPS PATHOGRAPHIES PATRIARCHALLY PATRIARCHATES PATRIARCHISMS PELOTHERAPIES PENTHEMIMERAL PERIHEPATITIS PERIPHERALITY PERISHABILITY PETROCHEMICAL PETROGRAPHIES PETROPHYSICAL PHALANSTERIAN PHALANSTERIES PHALANSTERISM PHALANSTERIST PHALLOCENTRIC PHARMACEUTICS PHARMACEUTIST PHARYNGITIDES PHARYNGITISES PHENMETRAZINE PHENOBARBITAL PHILANTHROPES PHILANTHROPIC PHONOGRAPHIST PHONOMETRICAL PHOSPHATURIAS PHOSPHORATING PHOTOGRAPHIES PHOTOGRAPHING PHOTOGRAPHIST PHOTOREACTION PHOTOREACTIVE PHOTOREALISMS PHOTOREALISTS PHRASEOLOGIST PHREATOPHYTIC PHRENETICALLY PHYLACTERICAL PHYSIOLATRIES PHYSIOTHERAPY PHYTOGRAPHIES PHYTOSANITARY PICTOGRAPHIES PLATYRRHINIAN PLAYWRIGHTING PLETHORICALLY POLYARTHRITIS POLYCHROMATIC POLYGRAPHISTS POLYHISTORIAN POSTAPARTHEID PREANESTHETIC PREAUTHORIZED PREAUTHORIZES PREHARVESTING PREHISTORIANS PREHISTORICAL PROMETHAZINES PROMONARCHIST PROPHETICALLY PROPHYLACTICS PROSTHODONTIA PROTHETICALLY PROTOTHERIANS PSILANTHROPIC PSYCHIATRICAL PSYCHIATRISTS PTOCHOCRACIES PYRIMETHAMINE PYRITHIAMINES PYROCATECHINS PYROTECHNICAL QUADRILLIONTH QUAESTORSHIPS QUARTERLIGHTS RABBITBRUSHES RADICULOPATHY RADIESTHESIAS RADIESTHESIST RADIOCHEMISTS RADIOPHONISTS RADIOTHERMIES RADIOTHORIUMS RAMAPITHECINE REAUTHORISING REAUTHORIZING REESTABLISHED REESTABLISHES REFASHIONMENT REGISTRARSHIP REHABILITANTS REHABILITATED REHABILITATES REHABILITATOR REHOSPITALISE REHOSPITALIZE RELATIONSHIPS RETAINERSHIPS RETINOPATHIES RETROPHILIACS RHABDOMANTIST RHADAMANTHINE RHEUMATICALLY RHEUMATOLOGIC RHINOPLASTIES RHYTHMISATION RHYTHMIZATION RHYTHMOPOEIAS RIGHTABLENESS ROADWORTHIEST ROUTEMARCHING SACCHARIMETER SACCHARIMETRY SAPROPHYTISMS SCINTIGRAPHIC SCRATCHBUILDS SEARCHABILITY SEAWORTHINESS SECRETARYSHIP SERGEANTSHIPS SERJEANTSHIPS SEROTHERAPIES SHAMATEURISMS SHAMEWORTHIER SHAPESHIFTERS SHARPSHOOTING SHERIFFALTIES SHIRTWAISTERS SHORTCHANGING SHRINKFLATION SOMATOTROPHIC SOMATOTROPHIN SOPHISTICATOR SPECTATORSHIP SPHAIRISTIKES SPORTSMANSHIP STARCHINESSES STASIMORPHIES STENOGRAPHIES STENOGRAPHING STENOGRAPHIST STEREOGRAPHIC STICKHANDLERS STRAIGHTAWAYS STRAIGHTBREDS STRAIGHTEDGED STRAIGHTEDGES STRAIGHTENERS STRAIGHTENING STRAIGHTFORTH STRAIGHTLACED STRAPHANGINGS STRATIGRAPHER STRATIGRAPHIC STRATOSPHERIC STROPHANTHINS STROPHIOLATED STYLOGRAPHIES SUBARRHATIONS SUBCHARTERING SULPHURATIONS SUPERHUMANITY SURROGATESHIP SWARTHINESSES SWEETHEARTING SWITCHGRASSES SYCOPHANTLIER SYCOPHANTRIES SYNARTHRODIAL TACHEOMETRIES TACHOMETRICAL TACHYGRAPHIES TACHYGRAPHIST TACHYMETRICAL TACHYPHRASIAS TAPHROGENESIS TAUTOCHRONISM TECHNOCRACIES TELEGRAPHISTS TENORRHAPHIES TEPHROMANCIES TERATOPHOBIAS TERPSICHOREAL TERPSICHOREAN TETRACHLORIDE TETRAHEDRITES TETRASTICHOUS THALAMIFLORAL THANKWORTHIER THANKWORTHILY THAUMATURGICS THAUMATURGIES THAUMATURGISM THAUMATURGIST THEANTHROPIES THEANTHROPISM THEANTHROPIST THEATERGOINGS THEATREGOINGS THEATRICALISE THEATRICALISM THEATRICALITY THEATRICALIZE THEATRICISING THEATRICIZING THEATROMANIAS THEOREMATICAL THEOREMATISTS THEORETICALLY THEORETICIANS THEORISATIONS THEORIZATIONS THERAPEUTICAL THERAPEUTISTS THERIOLATRIES THERMESTHESIA THERMODYNAMIC THERMOGRAPHIC THERMONASTIES THERMOPLASTIC THERMOSTATICS THERMOSTATING THIOCARBAMIDE THIORIDAZINES THORACENTESIS THORACOTOMIES THRASONICALLY THREADINESSES THREATENINGLY THROATINESSES THROMBOKINASE THROMBOPHILIA THURIFICATION TOPOGRAPHICAL TRACHEOTOMIES TRANSHIPMENTS TRANSHIPPINGS TRANSISTHMIAN TRANSSHIPMENT TRANSSHIPPERS TRANSSHIPPING TRANSTHORACIC TRAPSHOOTINGS TREASURERSHIP TREPHINATIONS TRICHOLOGICAL TRICHOMONADAL TRICHOMONASES TRICHOPTERANS TRICHROMATISM TRIETHYLAMINE TRIMETHADIONE TRIPHOSPHATES TRISACCHARIDE TRISOCTAHEDRA TRITHEISTICAL TRIUMPHALISMS TRIUMPHALISTS TROPHALLACTIC TROPHOBLASTIC TSESAREVICHES TSESAREWICHES TURBOCHARGING TYPOGRAPHICAL TYPOGRAPHISTS ULTRAHEAVIEST ULTRAPHYSICAL ULTRARIGHTISM ULTRARIGHTIST UNCHARISMATIC UNCHLORINATED UNCHRISTIANED UNCHRISTIANLY UNEARTHLINESS UNFATHERLIEST UNPROPHETICAL UNTHEORETICAL UNTHREATENING UNTHRIFTIHEAD UNTHRIFTYHEAD UNWITHDRAWING URANOGRAPHIST VASOINHIBITOR VIBRAHARPISTS VIBRAPHONISTS WATERMANSHIPS WEATHERLINESS WITHDRAWMENTS WITHDRAWNNESS WOOLGATHERING XANTHOCHROIAS XANTHOCHROIDS XANTHOCHROISM XANTHOCHROMIA XANTHOPTERINE XANTHOPTERINS XEROPHTHALMIA XEROPHTHALMIC XIPHIPLASTRAL XIPHIPLASTRON ZINJANTHROPUS