There are 749 ten-letter words containing A, M, P and S, https://www.bestwordlist.com/c/a/4/10letterwordswithamps.htm ACCOMPLISH ADEMPTIONS AFTERDAMPS AIRMANSHIP ALLOMORPHS ALLOPLASMS AMBLYOPIAS AMBROTYPES AMETROPIAS AMORPHISMS AMPACITIES AMPELOPSES AMPELOPSIS AMPERSANDS AMPERZANDS AMPHIASTER AMPHIBIANS AMPHIBIOUS AMPHIBOLES AMPHIMIXES AMPHIMIXIS AMPHISCIAN AMPHOLYTES AMPLEXUSES AMPLIDYNES AMPLIFIERS AMPLITUDES AMPLOSOMES AMPUTATORS AMYLOPLAST AMYLOPSINS ANABAPTISM ANEMOSCOPE ANGIOSPERM APARTMENTS APLANATISM APOENZYMES APOSEMATIC APRIORISMS ARCHIPLASM ARCHOPLASM ASEPTICISM ASPARTAMES ASPHALTUMS ASPLENIUMS ASSUMPSITS ASSUMPTION ASSUMPTIVE ASYMPTOTES ASYMPTOTIC ATMOSPHERE ATTEMPTERS AXOPLASMIC BACKSTAMPS BIOPLASMIC BIPEDALISM BIPYRAMIDS BLACKDAMPS BLASPHEMED BLASPHEMER BLASPHEMES BLEPHARISM BROOMRAPES CAMPANEROS CAMPANILES CAMPANISTS CAMPANULAS CAMPCRAFTS CAMPEADORS CAMPESINOS CAMPESTRAL CAMPNESSES CAMPODEIDS CAMPSHIRTS CAMPSTOOLS CAPITALISM CAPSOMERES CATAPLASMS CATAWAMPUS CHAMPAGNES CHAMPAIGNS CHAMPLEVES CHEMPADUKS CHIPMAKERS CHOKEDAMPS CLAMPDOWNS COMPACTERS COMPACTEST COMPACTORS COMPANDERS COMPANDORS COMPANIONS COMPARISON COMPASSING COMPASSION COMPENSATE COMPLAINTS COMPRADORS COMPRISALS COMPUTANTS COPAYMENTS COPRAEMIAS CRAMPBARKS CREAMPUFFS CREMOCARPS CRYPTOGAMS CYMAGRAPHS CYMOGRAPHS CYMOPHANES CYTOPLASMS DAMPCOURSE DAMPNESSES DEPROGRAMS DESPUMATED DESPUMATES DEUTOPLASM DIAPHRAGMS DIAPIRISMS DIATROPISM DIPLOMATES DIPLONEMAS DIPSOMANIA DREAMSCAPE DREPANIUMS ECLAMPSIAS ECLAMPSIES ECTOPLASMS EMANCIPIST EMPARADISE EMPATHISED EMPATHISES EMPATHISTS EMPATHIZES EMPENNAGES EMPHASISED EMPHASISES EMPHASIZED EMPHASIZES EMPHYSEMAS EMPIRICALS EMPLASTERS EMPLASTICS EMPLASTRON EMPLASTRUM EMPLEACHES ENDOPLASMS ENSAMPLING ENSTAMPING EPHEMERALS EPIMERASES EPIPHRAGMS EPIRRHEMAS EPISEMATIC EPISOMALLY ESCAPEMENT ESCARPMENT EXPRESSMAN FLASHLAMPS GALUMPHERS GAZUMPINGS GEOPHAGISM GERMPLASMS GRAPHEMICS GUNMANSHIP HAMMERKOPS HANDSTAMPS HEMIOPSIAS HEMISPACES HETMANSHIP HIPPODAMES HIPPOMANES HISPANISMS HOMEOPATHS HOMEPLACES HOMOGRAPHS HOMOPLASMY HOMOPLASTY HYALOPLASM HYPEREMIAS HYPERMARTS HYPEROSMIA HYPODERMAS HYPOMANIAS HYPOMANICS HYPOXEMIAS IDIOPLASMS IMPACTIONS IMPACTITES IMPAIRINGS IMPALUDISM IMPARADISE IMPARITIES IMPASSABLE IMPASSABLY IMPASSIBLE IMPASSIBLY IMPASSIONS IMPEACHERS IMPEDANCES IMPERATORS IMPERSONAL IMPETRATES IMPLANTERS IMPLEACHES IMPLEADERS IMPLICATES IMPRECATES IMPRESARIO IMPUISSANT INPAYMENTS JUMPMASTER KARYOPLASM KOMPROMATS KYMOGRAPHS LAGOMORPHS LAMPADISTS LAMPBLACKS LAMPLIGHTS LAMPOONERS LAMPOONIST LAMPSHADES LAMPSHELLS LAMPSTANDS LIPOMATOUS LORAZEPAMS LYMPHATICS MACROPRISM MACROPSIAS MACROSPORE MADREPORES MAINPRISED MAINPRISES MAINSPRING MAJORSHIPS MALAPROPOS MALPIGHIAS MANCIPATES MANIPULARS MANSCAPING MANSPLAINS MANSPREADS MANUSCRIPT MAPMAKINGS MAPPEMONDS MARCHPANES MARIGRAPHS MARSUPIALS MARSUPIANS MASCARPONE MASSPRIEST MASTERSHIP MATCHPLAYS MATRONSHIP MAYORSHIPS MEATSPACES MEDALPLAYS MEDIASCAPE MEGALOPSES MEGAPARSEC MEGAPHONES MEGAPHYLLS MEGAPIXELS MEGAPLEXES MEGASCOPES MEGASCOPIC MEGASPORES MEGASPORIC MELAMPODES MELAPHYRES MELPHALANS MENOPAUSAL MENOPAUSES MENOPAUSIC MEPACRINES MERCAPTANS MEROPIDANS MESOPAUSES MESOSCAPHE METACARPUS METALEPSES METALEPSIS METAPHASES METAPHRASE METAPHRAST METAPHYSIC METAPLASES METAPLASIA METAPLASIS METAPLASMS MICROPSIAS MIDSHIPMAN MINDSCAPES MISADAPTED MISAPPLIED MISAPPLIES MISCAPTION MISHAPPENS MISHAPPING MISOCAPNIC MISPACKAGE MISPAINTED MISPARSING MISPARTING MISPATCHED MISPATCHES MISPHRASED MISPHRASES MISPLACING MISPLANNED MISPLANTED MISPLAYING MISPLEADED MISPLEASED MISPLEASES MISPRAISED MISPRAISES MISPROGRAM MISSHAPERS MISSHAPING MISSPACING MISSTAMPED MONOGRAPHS MONOPHASES MONOPHASIC MONOPLANES MONOPODIAS MONOSPACED MOONPHASES MOONSCAPES MOSSPLANTS MOULDWARPS MOUSETRAPS MOUTHPARTS MUCKSPREAD MULTIPACKS MULTIPARAS MULTIPHASE MUNICIPALS MYCOPLASMA MYOPATHIES MYSOPHOBIA NAMEPLATES NEMOPHILAS NEPHALISMS NEPHOGRAMS NEUROPLASM NOMOGRAPHS NONIMPACTS NYMPHAEUMS NYMPHALIDS OMNIPAROUS OMOPHAGIAS OMOPHAGIES OMOPHAGOUS OMPHACITES OMPHALOSES OOMPAHPAHS OPOBALSAMS OPSOMANIAC OPSOMANIAS OPTIMALISE ORPHANISMS PACEMAKERS PACHYDERMS PACIFICISM PACKFRAMES PADEMELONS PADRONISMS PADYMELONS PALAMPORES PALEMPORES PALIMONIES PALIMPSEST PALLADIUMS PALMACEOUS PALMATIONS PALMETTOES PALMHOUSES PALMIPEDES PALMISTERS PALMITATES PALMPRINTS PAMPERINGS PAMPOOTIES PANCOSMISM PANDERISMS PANEGOISMS PANLOGISMS PANMIXISES PANSOPHISM PANSPERMIA PANSPERMIC PANTHEISMS PANTOMIMES PAPILLOMAS PARALOGISM PARAMATTAS PARAMEDICS PARAMETERS PARAMNESIA PARAMORPHS PARAMOUNTS PARAMYLUMS PARANYMPHS PARARHYMES PARASITISM PARASOMNIA PARCHMENTS PARLEMENTS PAROECISMS PAROEMIACS PARONOMASY PARONYMIES PARONYMOUS PAROXYSMAL PAROXYSMIC PARTIALISM PASSAMENTS PASSAMEZZO PASSEMENTS PASSIMETER PASSIVISMS PASSMENTED PASTEURISM PASTORIUMS PATRIALISM PATRIOTISM PAUPERDOMS PAUPERISMS PAYMASTERS PAYNIMRIES PEACETIMES PEDAGOGISM PEDANTISMS PEGMATITES PELMANISMS PENMANSHIP PENNALISMS PENTAGRAMS PENTAPRISM PENULTIMAS PEPEROMIAS PERIDESMIA PERINAEUMS PERIPLASMS PERISTOMAL PERMABEARS PERMABULLS PERMAFROST PERMALINKS PERMALLOYS PERMANENTS PERMEANCES PERMEATORS PERMUTATES PESHMERGAS PETAMETERS PETAMETRES PETERSHAMS PETROGRAMS PHAENOGAMS PHAGOSOMES PHALLICISM PHANTASIME PHANTASIMS PHANTASMAL PHANTASMIC PHANTOMISH PHANTOSMES PHARISAISM PHARMACIES PHARMACIST PHENAKISMS PHENOMENAS PHILOMATHS PHILOMELAS PHLEGMASIA PHONOGRAMS PHOTOGRAMS PHOTOMASKS PHRAGMITES PIANISSIMI PIANISSIMO PICTOGRAMS PIECEMEALS PIGMENTOSA PIRACETAMS PIROPLASMA PIROPLASMS PLACEMENTS PLACODERMS PLAGIARISM PLAGUESOME PLANIGRAMS PLANOGRAMS PLASMAGELS PLASMAGENE PLASMASOLS PLASMODESM PLASMODIAL PLASMODIUM PLASMOGAMY PLASMOLYSE PLASMOLYZE PLASMOSOMA PLASMOSOME PLASTOGAMY PLATEMARKS PLATONISMS PLAYMAKERS PLUMASSIER PLURALISMS PNEUMATICS PNEUMONIAS POLEMARCHS POLYAMIDES POLYAMINES POLYGAMIES POLYGAMISE POLYGAMIST POLYGAMOUS POLYLEMMAS POLYMASTIA POLYMASTIC POLYMERASE POLYSEMANT POMOSEXUAL POMPADOURS POPULARISM PORISMATIC POROGAMIES POSTATOMIC POSTIMPACT POSTMARKED POSTMASTER POSTMATING POSTPARTUM POSTULATUM POTASSIUMS PRACTICUMS PRAEAMBLES PRAENOMENS PRAESIDIUM PRAGMATICS PRAGMATISE PRAGMATISM PRAGMATIST PRANAYAMAS PREDATISMS PREFORMATS PRELATISMS PREMARKETS PREMATURES PREMEASURE PRESSMARKS PRESSWOMAN PRESTAMPED PRESUMABLE PRESUMABLY PRIMATIALS PRIMAVERAS PRIMIPARAS PRISMATOID PRISMOIDAL PRIVATISMS PROGRAMERS PROGRAMMES PROLAMINES PROMENADES PROSAICISM PROSEMINAR PROSIMIANS PROSTATISM PROSTOMIAL PROTAMINES PROTOPLASM PSALMBOOKS PSALMODIES PSALMODISE PSALMODIST PSALMODIZE PSALTERIUM PSAMMOPHIL PSEUDIMAGO PSYCHOGRAM PTARMIGANS PULMONATES PURITANISM PYELOGRAMS PYRAMIDIST PYRAMIDONS PYROCERAMS PYROMANIAS RAMPACIOUS RAMPAGEOUS RAMPAGINGS RAMPANCIES REATTEMPTS REBAPTISMS RECOMPACTS REEMPHASES REEMPHASIS REIMPLANTS REPAYMENTS REPRIMANDS REPROGRAMS RESAMPLING RESTAMPING REVAMPINGS RHOPALISMS SACHEMSHIP SAGAPENUMS SAMPLERIES SAPPERMENT SAPRAEMIAS SARCOPLASM SCAMPERERS SCAMPERING SCAMPISHLY SCAPEMENTS SEAMANSHIP SEMAPHORED SEMAPHORES SEMAPHORIC SEMIOPAQUE SEMIPOSTAL SEPARATISM SEPARATUMS SEPTICEMIA SHAMPOOERS SHAMPOOING SHIPMASTER SIMPLICIAL SIPHONOGAM SLIPSTREAM SMALLPOXES SMARTPHONE SMOOTHPATE SOMASCOPES SOMATOTYPE SOMEPLACES SPACEFRAME SPACETIMES SPACEWOMAN SPACEWOMEN SPANAEMIAS SPARGANIUM SPASMODIST SPEARMINTS SPECIALISM SPERMACETI SPERMADUCT SPERMARIES SPERMARIUM SPERMATIAL SPERMATICS SPERMATIDS SPERMATIUM SPHENOGRAM SPINARAMAS SPINMASTER SPIRACULUM SPIRALISMS SPIROGRAMS SPODOGRAMS SPODOMANCY SPORANGIUM SPYMASTERS STAMPEDERS STAMPEDING STAMPEDOED STAPHYLOMA STEAMPUNKS STEAMSHIPS STEPFAMILY STOMATOPOD STREETLAMP STRIPAGRAM STRIPOGRAM SUBCOMPACT SUBOPTIMAL SUBPRIMATE SUBPROGRAM SUBSAMPLED SUBSAMPLES SUGARPLUMS SUPERATOMS SUPERFARMS SUPERHUMAN SUPERMACHO SUPERMALES SUPERMARTS SUPERMAXES SUPERSMART SUPERTRAMS SUPERWOMAN SWAMPINESS SWAMPLANDS SYMPATHIES SYMPATHINS SYMPATHISE SYMPATHIZE SYMPATRIES SYMPHYSEAL SYMPHYSIAL SYMPLASTIC SYMPOSIACS SYMPOSIAST SYPHILOMAS TAMPERINGS TAMPONADES TAMPONAGES TEMAZEPAMS TEMPERATES TEPHIGRAMS TIMEPASSED TIMEPASSES TIMESTAMPS TIMPANISTS TOMOGRAPHS TOPMAKINGS TOXOPLASMA TRAMPETTES TRAMPLINGS TRAMPOLINS TRANSUMPTS TRAPEZIUMS TREPONEMAS TRIPARTISM TRIUMPHALS TYMPANISTS TYMPANITES TYMPANITIS TYPOMANIAS UNSYMPATHY UPMANSHIPS UPSTREAMED UPSWARMING UTOPIANISM VAMPIRISED VAMPIRISES VAMPIRISMS VAMPIRIZES VASOSPASMS VERAPAMILS VIVIPARISM WAMPISHING WHITEDAMPS ZOOSPERMIA