There are 833 fourteen-letter words containing A, P and 2S, https://www.bestwordlist.com/c/a/4/14letterwordswithapss.htm ABSORPTIVENESS ABSORPTIVITIES ACCEPTABLENESS ACHROMATOPSIAS ACUPUNCTURISTS ADAPTATIONISTS ADAPTIVENESSES AFFENPINSCHERS ALLOIOSTROPHOS AMBASSADORSHIP AMPHIARTHROSES AMPHIARTHROSIS AMPHIBIOUSNESS AMPHIPROSTYLES ANALPHABETISMS ANAPHRODISIACS ANISOMETROPIAS ANTICENSORSHIP ANTIDEPRESSANT ANTIDEPRESSION ANTIPARASITICS ANTIPERISTASES ANTIPERISTASIS ANTIPSYCHOTICS ANTISEPARATIST ANTISEPTICISED ANTISEPTICISES ANTISEPTICISMS ANTISEPTICIZES ANTISPASMODICS APOCHROMATISMS APOCRYPHALNESS APOGEOTROPISMS APOSTOLICITIES APOSTROPHISING APOTHEGMATISES APOTHEGMATISTS APPARENTNESSES APPENDICITISES APPLICABLENESS APPOSITENESSES ARCHBISHOPRICS ARCHPRIESTSHIP ARTHROPLASTIES ASPIRINGNESSES ASSISTANTSHIPS ASSOCIATESHIPS ASTHENOSPHERES ASTHENOSPHERIC ASTRAPOPHOBIAS ASTROCOMPASSES ASTROPHYSICIST AUSPICIOUSNESS BALLISTOSPORES BANDSPREADINGS BARRISTERSHIPS BASIDIOSPOROUS BIBLIOPHAGISTS BIPARTISANISMS BIPARTISANSHIP BISPHOSPHONATE BLEPHAROPLASTS BLEPHAROSPASMS BRACHYPTERISMS BRINKSMANSHIPS BRONCHOSPASTIC CAESAROPAPISMS CALLIGRAPHISTS CAMPANOLOGISTS CANDIDATESHIPS CAPELLMEISTERS CAPRICIOUSNESS CAPTIOUSNESSES CATASTROPHISMS CATASTROPHISTS CEPHALISATIONS CEPHALOSPORINS CERULOPLASMINS CHIEFTAINSHIPS CHIROGRAPHISTS CHLAMYDOSPORES CHRISTOPHANIES CHURCHMANSHIPS CLAUSTROPHOBES COADJUTORSHIPS COCHAIRPERSONS COCONSPIRATORS COLLEAGUESHIPS COMMANDERSHIPS COMMISSARYSHIP COMPANIONSHIPS COMPARABLENESS COMPARATIVISTS COMPASSIONABLE COMPASSIONATED COMPASSIONATES COMPASSIONLESS COMPATIBLENESS COMPATRIOTISMS COMPLIABLENESS CONCEPTUALISES CONCEPTUALISMS CONCEPTUALISTS CONSPURCATIONS CONSTABLESHIPS CONSTUPRATIONS CONSULTANTSHIP CONTAINERSHIPS CONTEMPLATISTS CONTRAPUNTISTS COPARTNERSHIPS CORPORATIVISMS COSMOGRAPHISTS COTRANSPORTERS CRAFTSMANSHIPS CRANIOSCOPISTS CRYPTAESTHESIA CRYPTESTHESIAS CULPABLENESSES CUSTODIANSHIPS DACTYLOSCOPIES DECAPSULATIONS DEPENDABLENESS DEPERSONALISED DEPERSONALISES DEPERSONALIZES DEPLORABLENESS DEPRAVEDNESSES DESPICABLENESS DESPIRITUALISE DESPOTICALNESS DESPOTOCRACIES DIAGEOTROPISMS DIAPHANOUSNESS DISAPPEARANCES DISCAPACITATES DISIMPASSIONED DISPARAGEMENTS DISPAUPERISING DISPENSABILITY DISPENSATIONAL DISPENSATIVELY DISPENSATORIES DISPENSATORILY DISPLANTATIONS DISPLEASANTING DISPLEASEDNESS DISPOSABLENESS DISPURVEYANCES DISPUTABLENESS DISPUTATIOUSLY DISREPUTATIONS DISRESPECTABLE DISSIPATEDNESS DODECAPHONISMS DODECAPHONISTS DOUBLESPEAKERS DRAFTSMANSHIPS DRAUGHTSPERSON EAVESDROPPINGS ELLIPTICALNESS EMPHATICALNESS EMPYREUMATISES ENCAPSULATIONS ENCEPHALITISES ENCOMPASSMENTS ENDOPARASITISM ENDOPEPTIDASES ENHYPOSTATISED ENHYPOSTATISES ENHYPOSTATIZES EPIDOTISATIONS EPIGRAMMATISES EPIGRAMMATISMS EPIGRAMMATISTS EPITHELIALISES EPITOMISATIONS ERGASTOPLASMIC ESOPHAGOSCOPES EUPHAUSIACEANS EXOPHTHALMOSES EXOPHTHALMUSES EXPANSIONISTIC EXPOSTULATIONS EXTRAPOSITIONS FERROPRUSSIATE FLIPPANTNESSES GALACTOPOIESES GALACTOPOIESIS GALVANOSCOPIES GASTROPLASTIES GASTROSCOPISTS GELANDESPRUNGS GENTLEMANSHIPS GLADIATORSHIPS GLOSSOGRAPHERS GLOSSOGRAPHIES GRANTSMANSHIPS GRASPINGNESSES HAEMATOPOIESES HAEMATOPOIESIS HAGIOGRAPHISTS HAIRSPLITTINGS HAMPEREDNESSES HAPLOSTEMONOUS HARPSICHORDIST HARUSPICATIONS HEADMASTERSHIP HETEROPLASTIES HIPPOPOTAMUSES HISPANIOLISING HISTOPLASMOSES HISTOPLASMOSIS HOMOEOPATHISTS HOSPITABLENESS HYDROSULPHATES HYMENOPLASTIES HYPERACUTENESS HYPERAESTHESIA HYPERAESTHESIC HYPERALERTNESS HYPERAWARENESS HYPERESTHESIAS HYPERKERATOSES HYPERKERATOSIS HYPERPARASITES HYPERPOLARISES HYPERPROSEXIAS HYPERURBANISMS HYPHENISATIONS HYPNOTISATIONS HYPOPHOSPHATES ICHTHYOPSIDANS IMPASSABLENESS IMPASSIBLENESS IMPERATIVENESS IMPERATORSHIPS IMPERIALNESSES IMPERSONALISED IMPERSONALISES IMPERSONALIZES IMPERSONATIONS IMPLACABLENESS IMPOSTUMATIONS IMPRESSIONABLE IMPRESSIONALLY IMPROBABLENESS IMPROVABLENESS IMPROVISATIONS IMPROVISATORES INAPPOSITENESS INAUSPICIOUSLY INCAPSULATIONS INCULPABLENESS INDISPENSABLES INEXPIABLENESS INFRAPOSITIONS INOPERABLENESS INSPIRATIONISM INSPIRATIONIST INTERPILASTERS ISOPIESTICALLY JUSTICIARSHIPS JUXTAPOSITIONS KAPELLMEISTERS KERATOPLASTIES KINESIPATHISTS LANDOWNERSHIPS LAPAROSCOPISTS LARYNGOSCOPIES LARYNGOSCOPIST LEGISLATORSHIP LETTERSPACINGS LIBRARIANSHIPS LYCANTHROPISTS LYMPHANGITISES LYMPHOSARCOMAS MAGISTRATESHIP MAGNETOSPHERES MALABSORPTIONS MALAPERTNESSES MARSIPOBRANCHS MASSOTHERAPIES MASSOTHERAPIST MASTIGOPHORANS MASTIGOPHOROUS MESENCEPHALONS MESOCEPHALISMS METAPHOSPHATES METAPHYSICIANS METAPHYSICISED METAPHYSICISES METAPHYSICISTS METAPHYSICIZES MICROPARASITES MISANTHROPISTS MISANTHROPOSES MISAPPRECIATES MISASSUMPTIONS MISEMPHASISING MISEMPHASIZING MISPERSUASIONS MODERATORSHIPS MONOPHOSPHATES MORPHOSYNTAXES MOUSETRAPPINGS MULTIHOSPITALS MULTIPARTYISMS NANOCOMPOSITES NEOCAPITALISMS NEOCAPITALISTS NEOPLASTICISMS NEOPLASTICISTS NONCAPITALISTS NONPERISHABLES NONSPECIALISTS OESOPHAGITISES OESOPHAGOSCOPE OESOPHAGOSCOPY OMBUDSMANSHIPS OMPHALOSKEPSES OMPHALOSKEPSIS ONOMATOPOIESES ONOMATOPOIESIS ONYCHOPHAGISTS OPENHANDEDNESS OPHTHALMITISES OPISTHOBRANCHS OPISTHOGLOSSAL OPPOSABILITIES ORTHOGRAPHISTS OVEREMPHASISED OVEREMPHASISES OVEREMPHASIZES OVEREXPANSIONS OVERPERSUASION OVERSPECIALISE OVERSPECULATES PAEDOMORPHISMS PAEDOMORPHOSES PAEDOMORPHOSIS PAINLESSNESSES PALATIALNESSES PALEOBOTANISTS PALINGENESISTS PALLETISATIONS PALPABLENESSES PAMPEREDNESSES PANAESTHETISMS PANARTHRITISES PANCHROMATISMS PANCREATITISES PANGRAMMATISTS PANSEXUALITIES PANSPERMATISMS PANSPERMATISTS PANTHEOLOGISTS PANTISOCRACIES PANTISOCRATIST PAPAPRELATISTS PAPILLOMATOSES PAPILLOMATOSIS PARAMAGNETISMS PARAMENSTRUUMS PARANTHROPUSES PARASITISATION PARASITOLOGIES PARASITOLOGIST PARDONABLENESS PARENTHESISING PARSIMONIOUSLY PARTHENOSPORES PARTICULARISES PARTICULARISMS PARTICULARISTS PARTICULARNESS PASSABLENESSES PASSEMENTERIES PASSIBLENESSES PASSIONATENESS PASSIONFLOWERS PASTEURISATION PASTORALNESSES PATHLESSNESSES PATRESFAMILIAS PATRONISATIONS PATULOUSNESSES PAUPERISATIONS PEACEFULNESSES PECTINESTERASE PEDESTRIANISED PEDESTRIANISES PEDESTRIANISMS PEDESTRIANIZES PELLETISATIONS PENDRAGONSHIPS PENETRABLENESS PENICILLINASES PEPTONISATIONS PERICARDITISES PERIMENOPAUSES PERIODICALISTS PERIODISATIONS PERISHABLENESS PERISSODACTYLE PERISSODACTYLS PERLUSTRATIONS PERMUTABLENESS PERSCRUTATIONS PERSEVERATIONS PERSONABLENESS PERSPICACITIES PERSUASIBILITY PERSUASIVENESS PHALANSTERIANS PHALANSTERISMS PHALANSTERISTS PHARMACEUTISTS PHARYNGOSCOPES PHELLOPLASTICS PHENOMENALISES PHENOMENALISMS PHENOMENALISTS PHILADELPHUSES PHILOSOPHASTER PHLEGMATICNESS PHLOGISTICATES PHONETISATIONS PHONOGRAPHISTS PHOSPHOKINASES PHOSPHOLIPASES PHOSPHORYLASES PHOSPHORYLATES PHOTOCATALYSES PHOTOCATALYSIS PHOTOGRAPHISTS PHOTOSYNTHATES PHRASEOLOGISTS PHYSHARMONICAS PHYSICALNESSES PHYSICIANSHIPS PHYSIOGRAPHERS PHYSIOGRAPHIES PICAYUNISHNESS PICORNAVIRUSES PICTURISATIONS PIDGINISATIONS PITIABLENESSES PLACABLENESSES PLAGIOTROPISMS PLANETOLOGISTS PLANLESSNESSES PLASMAPHERESES PLASMAPHERESIS PLASTERINESSES PLASTICISATION PLASTOQUINONES PLATINISATIONS PLATITUDINISES PLAUSIBILITIES PLEASANTNESSES PLEASINGNESSES PLESIOSAURIANS PLETHYSMOGRAMS PLEURAPOPHYSES PLEURAPOPHYSIS PLOUGHMANSHIPS PLURALISATIONS PNEUMOGASTRICS POCOCURANTISMS POCOCURANTISTS PODSOLISATIONS PODSOLIZATIONS PODZOLISATIONS POETICALNESSES POLYDACTYLISMS POLYDAEMONISMS POLYHISTORIANS POLYNOMIALISMS POLYOMAVIRUSES POLYSACCHAROSE POLYSYLLABISMS POSSESSIONATES POSTADOLESCENT POSTAPOCALYPSE POSTCAPITALIST POSTDOCTORATES POSTERISATIONS POSTERIZATIONS POSTINDUSTRIAL POSTLAPSARIANS POSTMASTECTOMY POSTMASTERSHIP POSTMENOPAUSAL POSTPOSITIONAL POSTSURGICALLY POSTTREATMENTS POSTULANTSHIPS PRANKISHNESSES PRAYERLESSNESS PREADOLESCENTS PRECARIOUSNESS PRECESSIONALLY PRECONISATIONS PREDACEOUSNESS PREDACIOUSNESS PREDESTINATORS PREDICABLENESS PREESTABLISHED PREESTABLISHES PREFERABLENESS PREPAREDNESSES PRESERVATORIES PRESSURISATION PRESSURIZATION PRIMATOLOGISTS PRIMORDIALISMS PRINCIPALSHIPS PRIVATISATIONS PROCESSABILITY PROCESSIONALLY PROCRASTINATES PROFESSIONALLY PROFESSORIALLY PROFESSORIATES PROFITABLENESS PROGNOSTICATES PROGRESSIONARY PRONOMINALISES PRONUCLEARISTS PROPAGABLENESS PROPAGANDISERS PROSOPAGNOSIAS PROSTAGLANDINS PROSTHODONTIAS PROTOSPATAIRES PROTRACTEDNESS PROVABLENESSES PROVERBIALISES PROVERBIALISMS PROVERBIALISTS PROVINCIALISES PROVINCIALISMS PROVINCIALISTS PROVISIONARIES PRUDENTIALISMS PRUDENTIALISTS PSEPHOANALYSES PSEPHOANALYSIS PSEUDAESTHESIA PSEUDARTHROSES PSEUDARTHROSIS PSEUDEPIGRAPHS PSEUDOCLASSICS PSEUDOGRAPHIES PSILANTHROPIES PSILANTHROPISM PSILANTHROPIST PSYCHASTHENIAS PSYCHASTHENICS PSYCHOACOUSTIC PSYCHOANALYSED PSYCHOANALYSER PSYCHOANALYSES PSYCHOANALYSIS PSYCHOANALYSTS PSYCHOANALYZES PSYCHOBABBLERS PSYCHODYNAMICS PSYCHOGRAPHICS PSYCHOGRAPHIES PSYCHOPATHISTS PSYCHOPHYSICAL PSYCHOSEXUALLY PSYCHOSOCIALLY PSYCHOSOMATICS PSYCHOSURGICAL PUGNACIOUSNESS PULVERISATIONS PYROPHOSPHATES QUASIPARTICLES RAMPAGEOUSNESS REGISTRARSHIPS REHOSPITALISED REHOSPITALISES REHOSPITALIZES REPRESENTAMENS REPUBLICANISES REPUBLICANISMS REPUTATIONLESS RESPECTABILISE RESPIRITUALISE SALPIGLOSSISES SCAMPISHNESSES SCAPEGALLOWSES SCAPHOCEPHALUS SCAPULIMANCIES SCAPULOMANCIES SCHIZOPHRENIAS SCINTIGRAPHIES SCINTILLASCOPE SCISSIPARITIES SCRIPTURALISMS SCRIPTURALISTS SECRETARYSHIPS SEISMOGRAPHERS SEISMOGRAPHIES SELENOGRAPHERS SELENOGRAPHIES SELENOGRAPHIST SEMIPALMATIONS SEMIPARASITISM SEMIPORCELAINS SENESCHALSHIPS SEPARABILITIES SEPARATENESSES SEPARATIONISMS SEPARATIONISTS SEPARATIVENESS SEPTUAGENARIES SESQUIPEDALIAN SESQUIPEDALITY SEXPLOITATIONS SHADOWGRAPHIES SHAPESHIFTINGS SHARECROPPINGS SHARPSHOOTINGS SHEEPSHEARINGS SIMPLIFICATORS SIMPLISTICALLY SINANTHROPUSES SINDONOPHANIES SNAPPISHNESSES SNIPPERSNAPPER SOMATOTROPHINS SOMATOTROPINES SOPHISTICATING SOPHISTICATION SOPHISTICATORS SPACIOUSNESSES SPARKLEBERRIES SPARROWGRASSES SPATHIPHYLLUMS SPATIALISATION SPECIALISATION SPECIFICATIONS SPECTATORSHIPS SPECTRALNESSES SPELAEOLOGISTS SPERMATOBLASTS SPERMATOGENIES SPERMATOGENOUS SPERMATOPHORES SPERMATOPHYTES SPERMATORRHEAS SPERMATOTHECAS SPHAEROCRYSTAL SPHAGNOLOGISTS SPHERICALITIES SPIFFLICATIONS SPINTHARISCOPE SPIRITUALISERS SPIRITUALISING SPIRITUALISTIC SPIRITUALITIES SPIRITUALIZERS SPIROCHAETOSES SPIROCHAETOSIS SPLANCHNOCELES SPLENOMEGALIES SPOKESMANSHIPS SPONGIOBLASTIC SPORADICALNESS SPORANGIOSPORE SPORTABILITIES SPORTFISHERMAN SPORTSMANLIEST SPORTSMANSHIPS STADHOLDERSHIP STAPEDECTOMIES STAPHYLOCOCCUS STAPHYLOPLASTY STATESMANSHIPS STEEPLECHASERS STEEPLECHASING STEGOCEPHALOUS STENOGRAPHISTS STEPPARENTINGS STEREOGRAPHIES STEREOSCOPICAL STRATIGRAPHERS STRATIGRAPHIES STRATIGRAPHIST STREPTOKINASES STROBOSCOPICAL STROPHANTHUSES SUBAPPEARANCES SUBATMOSPHERIC SUBDEACONSHIPS SUBDEPARTMENTS SUBPOPULATIONS SUBSPECIALISED SUBSPECIALISES SUBSPECIALISTS SUBSPECIALIZED SUBSPECIALIZES SUBSPECIALTIES SUBSPONTANEOUS SUFFRAGANSHIPS SULPHADIAZINES SULPHONYLUREAS SULPHURISATION SUPERABILITIES SUPERABSORBENT SUPERACHIEVERS SUPERADDITIONS SUPERAMBITIOUS SUPERCALENDERS SUPERCARGOSHIP SUPERCELESTIAL SUPERCILIARIES SUPERCRIMINALS SUPERDAINTIEST SUPERDELEGATES SUPERDIPLOMATS SUPERDOMINANTS SUPEREROGATORS SUPERESSENTIAL SUPERFETATIONS SUPERFICIALISE SUPERGRAVITIES SUPERHUMANISED SUPERHUMANISES SUPERHUMANIZES SUPERHUMANNESS SUPERIMPOSABLE SUPERINSULATED SUPERLOYALISTS SUPERMASCULINE SUPERMEMBRANES SUPERMILITANTS SUPERNATATIONS SUPERORDINATES SUPERORGANISMS SUPERPARTICLES SUPERPHOSPHATE SUPERQUALITIES SUPERREGIONALS SUPERSATURATED SUPERSATURATES SUPERSEXUALITY SUPERSONICALLY SUPERSPECTACLE SUPERSTIMULATE SUPPLANTATIONS SUPPOSITIONARY SUPRALAPSARIAN SUPRAMOLECULES SUPRASEGMENTAL SURPASSINGNESS SURROGATESHIPS SUSPERCOLLATED SUSPERCOLLATES SWORDSMANSHIPS SYCOPHANTISHLY SYCOPHANTISING SYCOPHANTLIEST SYMPATHOLYTICS SYMPTOMATISING SYNAPOMORPHIES SYNAPOSEMATISM SYPHILISATIONS SYPHILIZATIONS SYPHILOPHOBIAS TABLESPOONFULS TABLESPOONSFUL TACHISTOSCOPES TACHISTOSCOPIC TACHYGRAPHISTS TEMPORALNESSES TEMPORISATIONS THALASSOGRAPHY THEANTHROPISMS THEANTHROPISTS THERMOPLASTICS THYSANOPTEROUS TOPOISOMERASES TRACHEOSCOPIES TRACHYPTERUSES TRAINSPOTTINGS TRANSCRIPTASES TRANSCRIPTIONS TRANSCRIPTOMES TRANSPARENCIES TRANSPARENTISE TRANSPICUOUSLY TRANSPIRATIONS TRANSPLANTINGS TRANSPORTANCES TRANSPOSITIONS TRANSSHIPMENTS TRANSSHIPPINGS TREASURERSHIPS TREPONEMATOSES TREPONEMATOSIS TRIPERSONALISM TRIPERSONALIST UNASPIRINGNESS UNDEREMPHASISE UNDERSTRAPPERS UNPASSABLENESS UNPERSUASIVELY UNPLEASANTNESS UNPLEASANTRIES UNPOETICALNESS UNPREPAREDNESS UNPROFESSIONAL UNRESPECTABLES UNSOPHISTICATE UNSPIRITUALISE UNSYMPATHISING UPROARIOUSNESS UPSTANDINGNESS URANOGRAPHISTS VAPORISHNESSES VAPOROUSNESSES VIVIPAROUSNESS WAFFLESTOMPERS WAPPENSHAWINGS WATERPROOFNESS WEATHERPERSONS XIPHIPLASTRALS YACHTSMANSHIPS