There are 592 thirteen-letter words containing A, H, P, S and T, https://www.bestwordlist.com/c/a/5/13letterwordswithahpst.htm
ACHROMATOPSIA ADIAPHORISTIC AETHRIOSCOPES ALLELOPATHIES ALPHABETISERS
ALPHABETISING ALPHABETIZERS AMPHIBLASTULA AMPHICTYONIES AMPHIGASTRIUM
AMPHIPROSTYLE AMPHISTOMATAL AMPHISTOMATIC AMPHITHEATERS AMPHITHEATRES
AMPHITRICHOUS ANALPHABETICS ANALPHABETISM ANTHROPOSOPHY ANTIPHONARIES
ANTIPSYCHOTIC ANTISTROPHONS AORTOGRAPHIES APHANIPTEROUS APOCHROMATISM
APOSTROPHISED APOSTROPHISES APOSTROPHIZED APOSTROPHIZES APOSTROPHUSES
APOTHEGMATISE APOTHEGMATIST APOTHEOSISING APOTHEOSIZING ARCTOPHILISTS
ARTHROPATHIES ARTHROSCOPIES ARTHROSPOROUS ASPHETERISING ASPHETERIZING
ASPHYXIATIONS ASSISTANTSHIP ASSOCIATESHIP ASTHENOSPHERE ASTRAPOPHOBIA
ASTROPHYSICAL ATMOSPHERICAL ATTORNEYSHIPS AUTOCEPHALIES AUTOCEPHALOUS
AUTOMORPHISMS AZATHIOPRINES BARRISTERSHIP BIBLIOPHAGIST BLASTOSPHERES
BLEPHARITISES BLEPHAROPLAST BRACHYPTERISM BRACHYPTEROUS BREASTPLOUGHS
CALLIGRAPHIST CANDIDATESHIP CARDIOPATHIES CARTOGRAPHERS CARTOGRAPHIES
CARTOPHILISTS CATASTROPHISM CATASTROPHIST CATHODOGRAPHS CEPHALISATION
CEPHALOMETERS CEPHALOTOMIES CEROGRAPHISTS CHALCOPYRITES CHAPTERHOUSES
CHEMOAUTROPHS CHIEFTAINSHIP CHIROGRAPHIST CHIROPRACTICS CHIROPRACTORS
CHLOROPLASTAL CHLOROPLASTIC CHROMATOPSIAS CLAUSTROPHOBE COADJUTORSHIP
COAUTHORSHIPS CONSTABLESHIP CONTAINERSHIP COPARTNERSHIP COPROPHAGISTS
COSMOGRAPHIST CRAFTMANSHIPS CRAFTSMANSHIP CREATURESHIPS CRYOTHERAPIES
CRYPTESTHESIA CUSTODIANSHIP CYSTOGRAPHIES DEMOGRAPHISTS DEPHLEGMATORS
DERMATOPHYTES DESULPHURATED DESULPHURATES DIAPHANEITIES DIAPHRAGMITIS
DIASTROPHISMS DICTATORSHIPS DITTOGRAPHIES DODECAPHONIST DRAFTSMANSHIP
DRAUGHTPROOFS ELECTROGRAPHS ELEPHANTIASES ELEPHANTIASIC ELEPHANTIASIS
EMPHYSEMATOUS ENANTIOMORPHS ENHYPOSTASIAS ENHYPOSTATISE ENHYPOSTATIZE
ENTEROPATHIES ENTOMOPHAGIES ENTOMOPHAGOUS EPITHALAMIUMS EPITHELIALISE
ERYTHROPENIAS ESOPHAGITIDES ESOPHAGITISES ETHNOGRAPHERS ETHNOGRAPHIES
EXOPHTHALMIAS FELDSPATHOIDS GASTROSOPHERS GASTROSOPHIES GENTLEMANSHIP
GLADIATORSHIP GRADUATESHIPS GRAMOPHONISTS GRANTSMANSHIP GRAPHITISABLE
GRAPHOLOGISTS HAEMOPROTEINS HAGIOGRAPHIST HAIRSPLITTERS HAIRSPLITTING
HALIPLANKTONS HAPPENSTANCES HAPTOTROPISMS HARUSPICATING HARUSPICATION
HECTOGRAPHIES HEMATOPHAGOUS HEMATOPOIESES HEMATOPOIESIS HEMIPARASITES
HEMIPARASITIC HEPATECTOMIES HEPATISATIONS HEPATIZATIONS HEPATOLOGISTS
HEPATOSCOPIES HEPTASYLLABIC HERPETOFAUNAS HETEROCARPOUS HETEROPLASIAS
HETEROPLASTIC HETEROPTERANS HIPPOCENTAURS HIPPOPHAGISTS HOLOPARASITES
HOLOPARASITIC HOLOPLANKTONS HOMEOPATHISTS HOMOEOPATHIES HOMOEOPATHIST
HOSPITALISING HOSPITALITIES HOSPITALIZING HOUSEPAINTERS HUNTSMANSHIPS
HYDNOCARPATES HYDROPATHISTS HYDROSULPHATE HYETOGRAPHIES HYMENOPTERANS
HYPAESTHESIAS HYPERACUITIES HYPERCAUTIOUS HYPERESTHESIA HYPERPARASITE
HYPERREACTORS HYPERREALISTS HYPERSALINITY HYPERSTHENIAS HYPERTHERMIAS
HYPHENISATION HYPNOTISATION HYPOACIDITIES HYPOGNATHISMS HYPONATREMIAS
HYPOPHOSPHATE HYPOSTASISING HYPOSTASIZING HYPOSTATISING HYPOSTATIZING
HYPOSULPHATES HYPOTHECATORS HYPOXANTHINES HYPSOMETRICAL ICHTHYOPSIDAN
IMPERATORSHIP IMPOSTHUMATED IMPOSTHUMATES INHOSPITALITY INTERCHAPTERS
INTERHOSPITAL ITHYPHALLUSES JUSTICIARSHIP KINESIPATHIES KINESIPATHIST
KINESITHERAPY LAUREATESHIPS LEPTOCEPHALUS LITHOGRAPHERS LITHOGRAPHIES
LITHOLAPAXIES LYCANTHROPIES LYCANTHROPIST LYMPHADENITIS LYMPHOBLASTIC
LYMPHOMATOSES LYMPHOMATOSIS MACHTPOLITIKS MAGNETOGRAPHS MAGNETOSPHERE
MASTIGOPHORAN MASTIGOPHORES MASTIGOPHORIC MEDIATORSHIPS MESATICEPHALY
MESOTHERAPIES METALLOPHONES METAMORPHISMS METAMORPHISTS METAMORPHOSED
METAMORPHOSES METAMORPHOSIS METAPHOSPHATE METAPHYSICIAN METAPHYSICISE
METAPHYSICIST METAPHYSICIZE METAPSYCHICAL METEOROGRAPHS MISANTHROPIES
MISANTHROPIST MODERATORSHIP MONOGRAPHISTS MONOPHOSPHATE MONOTHERAPIES
MULTIHOSPITAL MUSICOTHERAPY MYCETOPHAGOUS MYTHOGRAPHERS MYTHOGRAPHIES
NAPHTHALISING NATUROPATHIES NEPHROPATHIES NEUROPATHISTS NONPHOSPHATES
ODONTOPHOBIAS ODONTOPHORANS OMMATOPHOROUS ONYCHOPHAGIST OPISTHOBRANCH
OPISTHOGRAPHS OPISTHOGRAPHY OPISTHOSOMATA ORTHOGRAPHERS ORTHOGRAPHIES
ORTHOGRAPHIST ORTHOPAEDISTS OSTEOGRAPHIES OSTEOPATHISTS OSTREOPHAGIES
OSTREOPHAGOUS PAEDOTROPHIES PANAESTHESIAS PANAESTHETISM PANCHROMATISM
PANPSYCHISTIC PANTECHNICONS PANTHEISTICAL PANTHEOLOGIES PANTHEOLOGIST
PANTOGRAPHERS PANTOGRAPHIES PANTOPHAGISTS PANTOTHENATES PARAESTHESIAS
PARAGNATHISMS PARAGRAPHISTS PARASYNTHESES PARASYNTHESIS PARASYNTHETIC
PARASYNTHETON PARATHORMONES PARCHMENTIEST PARCHMENTISED PARCHMENTISES
PARCHMENTIZES PARENTHESISED PARENTHESISES PARENTHESIZED PARENTHESIZES
PARTHENOSPORE PARTISANSHIPS PARTIZANSHIPS PATHOGRAPHIES PATHOLOGISING
PATRIARCHATES PATRIARCHISMS PELOTHERAPIES PENTADELPHOUS PENTAHYDRATES
PENTASTICHOUS PERIHEPATITIS PERISHABILITY PETROGRAPHERS PETROGRAPHIES
PETROPHYSICAL PHAGOCYTISING PHAGOCYTOSING PHALANSTERIAN PHALANSTERIES
PHALANSTERISM PHALANSTERIST PHANEROPHYTES PHANTASMAGORY PHANTASMALIAN
PHANTASMALITY PHARMACEUTICS PHARMACEUTIST PHARYNGITIDES PHARYNGITISES
PHELLOPLASTIC PHENANTHRENES PHENOMENALIST PHENTOLAMINES PHILANTHROPES
PHLOGISTICATE PHONASTHENIAS PHONETISATION PHONOCAMPTICS PHONOGRAPHIST
PHOSPHATIDYLS PHOSPHATISING PHOSPHATIZING PHOSPHATURIAS PHOSPHORATING
PHOSPHORYLATE PHOTOCATHODES PHOTODYNAMICS PHOTOENGRAVES PHOTOGRAPHERS
PHOTOGRAPHIES PHOTOGRAPHIST PHOTOGRAVURES PHOTOMACHINES PHOTOMONTAGES
PHOTOREALISMS PHOTOREALISTS PHOTOSCANNING PHOTOSTATTING PHOTOSYNTHATE
PHOTOVOLTAICS PHRAGMOPLASTS PHRASEOLOGIST PHREATOPHYTES PHYCOXANTHINS
PHYSICALISTIC PHYSICALITIES PHYSIOLATRIES PHYSIOTHERAPY PHYTOGRAPHERS
PHYTOGRAPHIES PHYTONADIONES PHYTOSANITARY PICTOGRAPHIES PLETHYSMOGRAM
POLYARTHRITIS POLYCYTHEMIAS POLYGRAPHISTS POLYHISTORIAN POLYTHALAMOUS
POLYURETHANES POSTAPARTHEID POSTHOLOCAUST POSTULANTSHIP POTICHOMANIAS
PREADULTHOODS PREANESTHETIC PREAUTHORIZES PREHARVESTING PREHISTORIANS
PREHISTORICAL PROCATHEDRALS PROMETHAZINES PROMONARCHIST PROPHYLACTICS
PROSENCHYMATA PROSTANTHERAS PROSTHODONTIA PROTOTHERIANS PSILANTHROPIC
PSYCHASTHENIA PSYCHASTHENIC PSYCHIATRICAL PSYCHIATRISTS PSYCHOANALYST
PSYCHOPATHICS PSYCHOPATHIES PSYCHOPATHIST PSYCHOSOMATIC PSYCHOTHERAPY
PSYCHOTICALLY PTOCHOCRACIES PUNISHABILITY PYRITHIAMINES PYROCATECHINS
PYROCATECHOLS PYROPHOSPHATE PYROSULPHATES QUAESTORSHIPS RADIOPHONISTS
REGISTRARSHIP REHOSPITALISE REHOSPITALIZE RELATIONSHIPS REPHOTOGRAPHS
RETAINERSHIPS RETINOPATHIES RETROPHILIACS RHINOPLASTIES RHYTHMOPOEIAS
SAPROPHYTISMS SATANOPHANIES SATANOPHOBIAS SCINTIGRAPHIC SCLEROTHERAPY
SCOPTOPHILIAS SCOPTOPHOBIAS SCRATCHPLATES SECRETARYSHIP SERGEANTSHIPS
SERJEANTSHIPS SEROTHERAPIES SHAPESHIFTERS SHAPESHIFTING SHARPSHOOTERS
SHARPSHOOTING SNAPSHOOTINGS SOMATOTROPHIC SOMATOTROPHIN SOPHISTICALLY
SOPHISTICATED SOPHISTICATES SOPHISTICATOR SOUSAPHONISTS SPAGHETTIFIED
SPAGHETTIFIES SPAGHETTILIKE SPATCHCOCKING SPATHIPHYLLUM SPATTERDASHES
SPECTATORSHIP SPECTROGRAPHS SPECTROGRAPHY SPELEOTHERAPY SPERMATOPHORE
SPERMATOPHYTE SPERMATORRHEA SPERMATOTHECA SPHACELATIONS SPHAGNOLOGIST
SPHAIRISTIKES SPORTSMANSHIP STAPHYLINIDAE STAPHYLITISES STAPHYLOCOCCI
STASIMORPHIES STATESMANSHIP STEEPLECHASED STEEPLECHASER STEEPLECHASES
STEGANOGRAPHS STEGANOGRAPHY STENOGRAPHERS STENOGRAPHIES STENOGRAPHING
STENOGRAPHIST STEPDAUGHTERS STEPHANOTISES STEREOGRAPHED STEREOGRAPHIC
STRAPHANGINGS STRATIGRAPHER STRATIGRAPHIC STRATOSPHERES STRATOSPHERIC
STROPHANTHINS STROPHIOLATED STYLOGRAPHIES SULPHONATIONS SULPHURATIONS
SUPERATHLETES SUPERHUMANITY SUPERTEACHERS SURROGATESHIP SYCOPHANTICAL
SYCOPHANTISED SYCOPHANTISES SYCOPHANTISMS SYCOPHANTIZED SYCOPHANTIZES
SYCOPHANTLIER SYCOPHANTRIES SYMPATHECTOMY SYMPATHETICAL SYMPATHOLYTIC
SYNADELPHITES SYPHILISATION SYPHILIZATION TACHISTOSCOPE TACHYGRAPHERS
TACHYGRAPHIES TACHYGRAPHIST TACHYPHRASIAS TACHYPHYLAXES TACHYPHYLAXIS
TAPHROGENESES TAPHROGENESIS TAUROMORPHOUS TECHNOPHILIAS TECHNOPHOBIAS
TELEGRAPHESES TELEGRAPHISTS TELEPATHISING TENORRHAPHIES TEPHROMANCIES
TERATOPHOBIAS TERPSICHOREAL TERPSICHOREAN THEANTHROPIES THEANTHROPISM
THEANTHROPIST THEATROPHONES THERAPEUTISTS THERMOPLASTIC THIOSULPHATES
THORACOPLASTY THORACOSCOPES TOXICOPHAGOUS TOXICOPHOBIAS TRACHEOPHYTES
TRANSHIPMENTS TRANSHIPPINGS TRANSSHIPMENT TRANSSHIPPERS TRANSSHIPPING
TRAPSHOOTINGS TREASURERSHIP TREPHINATIONS TRICHOPTERANS TRIPHOSPHATES
TRIUMPHALISMS TRIUMPHALISTS TROPHOBLASTIC TYPOGRAPHISTS ULTRAPHYSICAL
UNSYMPATHETIC URANOGRAPHIST VIBRAHARPISTS VIBRAPHONISTS WATERMANSHIPS
WEATHERPERSON WEATHERPROOFS XANTHOPTERINS XIPHIPLASTRAL XIPHIPLASTRON
YACHTSMANSHIP ZINJANTHROPUS