There are 589 ten-letter words containing A, N, O, P and S, https://www.bestwordlist.com/c/a/5/10letterwordswithanops.htm ABRUPTIONS ABSORPTION ACTINOPODS ADAPTOGENS ADEMPTIONS ADSORPTION AEROPHONES AEROPLANES ALLOPHANES ALLOPHONES ALPENGLOWS ALPENHORNS ALPENSTOCK ALTIPLANOS AMYLOPSINS ANASTROPHE ANATROPIES ANATROPOUS ANCIPITOUS ANDROPAUSE ANEMOSCOPE ANEUPLOIDS ANGIOSPERM ANGLOPHILS ANGOPHORAS ANISOTROPY ANSAPHONES ANTHOCARPS ANTIPASTOS ANTIPODALS APATHATONS APHORISING APOENZYMES APOPHENIAS APOPHONIES APPOINTEES APPOINTERS APPOINTORS APPORTIONS APPOSITION AQUAPONICS AQUAPORINS ARCHONSHIP ASCRIPTION ASPERSIONS ASPIRATION ASSUMPTION ASTHENOPIA ASTHENOPIC AUDIPHONES AUTOPOINTS AUTOPSYING AVOPARCINS BALLPOINTS BARPERSONS BEANSPROUT BIOPARENTS BIOWEAPONS CAMPANEROS CAMPESINOS CANEPHORAS CANEPHORES CANEPHORUS CANTALOUPS CAPARISONS CAPONIERES CAPONISING CARDPHONES CASHPOINTS CHAPERONES CHRYSOPHAN CLAMPDOWNS CLOZAPINES COCAPTAINS COLLAPSING COMPANDERS COMPANDORS COMPANIONS COMPARISON COMPASSING COMPASSION COMPENSATE COMPLAINTS COMPUTANTS CONSPIRACY CONSPIRANT CONSTIPATE COPARTNERS COPAYMENTS CORNOPEANS CORPOSANTS CRISPATION CYANOTYPES CYMOPHANES CYTOPENIAS DANCESPORT DAVENPORTS DEACONSHIP DECAPODANS DELAPSIONS DIAPASONAL DIAPASONIC DIAPHANOUS DIAPHONIES DIPLONEMAS DIPSOMANIA DISAPPOINT DISPASSION DISPONDAIC DOGNAPINGS DOGNAPPERS DYSPHONIAS DYSTOPIANS EMPLASTRON ENDOPLASMS EPANODOSES EPILATIONS EPIPHANOUS EPISCOPANT EPULATIONS EPURATIONS ESCALOPING ESPAGNOLES ESPIONAGES EXOPLANETS EXPANSIONS EXPIATIONS EXTROPIANS FLASHPOINT FROGSPAWNS FRONTPAGES GANTELOPES GASTROPORN GODPARENTS GRAPESTONE GYROPLANES HAANEPOOTS HANDPHONES HARPOONERS HEADPHONES HIPPOMANES HONEYTRAPS HOPSACKING HOUSEPLANT HYPERNOVAS HYPOMANIAS HYPOMANICS HYPONASTIC HYPOPNOEAS HYPOTONIAS IMPACTIONS IMPASSIONS IMPERSONAL INAPPOSITE INFRAPOSED INSPIRATOR INTERPOSAL IONOPAUSES ISOPTERANS ISOPYCNALS KNIPHOFIAS LAMPOONERS LAMPOONIST LANDLOPERS LAYPERSONS LOCOPLANTS MAPPEMONDS MASCARPONE MATRONSHIP MEGAPHONES MENOPAUSAL MENOPAUSES MENOPAUSIC MEROPIDANS MISCAPTION MISOCAPNIC MONOGRAPHS MONOPHASES MONOPHASIC MONOPLANES MONOPODIAS MONOSPACED MOONPHASES MOONSCAPES MOSSPLANTS NARCOLEPSY NEMOPHILAS NEOPHILIAS NEOPHOBIAS NEOPILINAS NEOPLASIAS NEOPLASTIC NEPHOGRAMS NEUROPATHS NEUROPLASM NEUROSPORA NOMOGRAPHS NONASPIRIN NONIMPACTS NONPAREILS NONPARENTS NONPARTIES NONPASSIVE NONPLASTIC NONPLAYERS NONSEPTATE NONSPATIAL NONSPEAKER NONSTAPLES NOSOGRAPHY NOSOPHOBIA NOSTOPATHY NOTARYSHIP NOTEPAPERS NYCTALOPES OCCUPANCES OCTOPODANS OMNIPAROUS ONDOGRAPHS OPALESCENT OPALESCING OPAQUENESS OPERATIONS OPOPANAXES OPPUGNANTS OPSOMANIAC OPSOMANIAS ORPHANAGES ORPHANISMS ORPHARIONS OUTPASSING OUTPASSION OUTSPANNED OVERPAINTS OVERPLANTS PADEMELONS PADRONISMS PADYMELONS PAINTBOXES PAINTWORKS PALIMONIES PALINODIES PALINOPIAS PALINOPSIA PALMATIONS PALPATIONS PALUDINOUS PANCOSMISM PANDATIONS PANDOWDIES PANEGOISMS PANETTONES PANLOGISMS PANSOPHIES PANSOPHISM PANSOPHIST PANTALEONS PANTALONES PANTALOONS PANTHENOLS PANTIHOSES PANTOFFLES PANTOMIMES PANTOSCOPE PANTOUFLES PANTYHOSES PANZOOTICS PARAGNOSES PARAGNOSIS PARAMOUNTS PARANOEICS PARANOIACS PARASOMNIA PARATHIONS PARDONINGS PARDONLESS PARHELIONS PAROCHINES PARONOMASY PARONYMIES PARONYMOUS PARSONAGES PARSONICAL PARTITIONS PARVOLINES PASSALONGS PASSIONALS PASSIONARY PASSIONATE PASSIONING PASTEDOWNS PATHOGENES PATRONAGES PATRONISED PATRONISER PATRONISES PATRONIZES PATRONLESS PAULOWNIAS PAVONAZZOS PELTATIONS PENDRAGONS PENNACEOUS PENSIONARY PENSIONNAT PENTAPOLIS PENTOSANES PERIASTRON PERSONABLE PERSONABLY PERSONAGES PERSONALIA PERSONALLY PERSONALTY PERSONATED PERSONATES PERSONATOR PERSUASION PERVASIONS PHAENOGAMS PHANTOMISH PHANTOSMES PHASEDOWNS PHASEOLINS PHENOBARBS PHENOLATES PHENOMENAS PHILOPENAS PHONATHONS PHONATIONS PHONECARDS PHONOGRAMS PHOTONASTY PHOTOSCANS PHYCOCYANS PIANISSIMO PIANOLISTS PICKAROONS PIGMENTOSA PIGNORATES PINNATIONS PIPERONALS PLACATIONS PLAINSONGS PLAINWORKS PLANATIONS PLANELOADS PLANETOIDS PLANOBLAST PLANOGRAMS PLATINOIDS PLATONISMS PLAYGOINGS PLEONASTES PLEONASTIC PLEONEXIAS PLEURONIAS PLICATIONS PNEUMONIAS POACHINESS PODCASTING POIGNADOES POIGNANCES POINCIANAS POINSETTIA POISONABLE POKELOGANS POLARISING POLIANITES POLLENATES POLLINATES POLLUTANTS POLLYANNAS POLONAISES POLYAMINES POLYANTHAS POLYANTHUS POLYSEMANT PONDERATES PONDEROSAS PONTIANACS PONTIANAKS PORCELAINS PORIFERANS PORTOLANOS POSITIONAL POSTDATING POSTLAUNCH POSTMATING POSTSEASON POSTULANCY POSTULANTS POTENTATES POTENTIALS POTTINGARS POUNDCAKES POWERBANDS POZZOLANAS PRAENOMENS PREDATIONS PRELATIONS PREOBTAINS PREORDAINS PRESEASONS PRESOAKING PRESSWOMAN PRESTATION PRETORIANS PRIVATIONS PROACTIONS PROBATIONS PROCARYONS PROCREANTS PROKARYONS PROLACTINS PROLAMINES PROLAPSING PROLATIONS PROMENADES PRONATIONS PRONATORES PROPANONES PRORATIONS PROSEMINAR PROSIMIANS PROSODIANS PROTAMINES PROTANOPES PROTEINASE PROTESTANT PROTISTANS PROTONATES PROTOZOANS PROVOCANTS PUFTALOONS PUGNACIOUS PULMONATES PULSATIONS PUNCTATORS PURGATIONS PUTONGHUAS PUZZOLANAS PYRAMIDONS PYRANOSIDE PYROMANIAS RAINPROOFS RAINSPOUTS RANTIPOLES REAPPOINTS RECAPTIONS REPTATIONS RHAPONTICS ROTAPLANES SANDGROPER SANDSPOUTS SAPANWOODS SAPOGENINS SAPONARIAS SAPONIFIED SAPONIFIER SAPONIFIES SAPPANWOOD SAPROBIONT SAPROGENIC SARCOPENIA SAXOPHONES SAXOPHONIC SCALLOPING SCALLOPINI SCALOPPINE SCALOPPINI SCORPAENID SCYPHOZOAN SEALPOINTS SEPARATION SEPTATIONS SHAMPOOING SIPHONAGES SIPHONOGAM SMARTPHONE SNAPDRAGON SNOWCAPPED SNOWSCAPES SOAPBOXING SOAPSTONES SONOGRAPHS SONOGRAPHY SOPRANINOS SOPRANISTS SOUNDSCAPE SOUSAPHONE SPACEBORNE SPACEWOMAN SPACEWOMEN SPALLATION SPANIOLATE SPANIOLISE SPANIOLIZE SPATANGOID SPECIATION SPHENOGRAM SPHENOIDAL SPINACEOUS SPIRATIONS SPLASHDOWN SPODOMANCY SPOLIATING SPOLIATION SPONDAICAL SPONGEABLE SPONGEBAGS SPONGEWARE SPONSIONAL SPONSORIAL SPOONBAITS SPORANGIAL SPORANGIUM SPOROGONIA SPOROZOANS SPORTANCES STAINPROOF STANDPOINT STANNOTYPE STEGANOPOD STENOGRAPH STENOPAEIC STRAPONTIN STUPRATION SUBPOENAED SULPHATION SULPHONATE SUPERATION SUPERNOVAE SUPERNOVAS SUPERWOMAN SUPINATION SUPINATORS SYCOPHANCY SYCOPHANTS SYNALOEPHA SYNCARPOUS SYNCOPATED SYNCOPATES SYNCOPATOR SYNOPTICAL SYPHONAGES TABLESPOON TAMPONADES TAMPONAGES TONOPLASTS TOPAGNOSES TOPAGNOSIA TOPAGNOSIS TOPMAKINGS TOWNSCAPED TOWNSCAPES TOXAPHENES TRAMPOLINS TRANSPOLAR TRANSPORTS TRANSPOSAL TRANSPOSED TRANSPOSER TRANSPOSES TRANSPOSON TREPONEMAS TRITANOPES TROPARIONS TYPOMANIAS UNPASTORAL USUCAPIONS USUCAPTION USURPATION UTOPIANISE UTOPIANISM VAPORISING VAPOURINGS WAITPERSON WALLOPINGS WEAPONEERS WEAPONISED WEAPONISES WEAPONIZES WEAPONLESS WEAPONRIES WRAPROUNDS XANTHOPSIA XIPHOSURAN ZOOPHAGANS