There are 613 twelve-letter words containing A, 2O, P and S, https://www.bestwordlist.com/c/a/5/12letterwordswithaoops.htm
ABIOTROPHIES ACIDOPHILOUS ADOPTIONISMS ADOPTIONISTS AECIDIOSPORE
AECIDOSPORES AEOLOTROPIES AEROTROPISMS AETHRIOSCOPE AGORAPHOBIAS
AGORAPHOBICS AILUROPHOBES ALDOPENTOSES ALLELOMORPHS ALLOMORPHISM
ALLOPURINOLS ALLOTROPISMS AMBIOPHONIES AMINOPHENOLS AMPHICOELOUS
AMPHISTOMOUS AMPHITROPOUS AMYOTROPHIES ANAMORPHOSES ANAMORPHOSIS
ANCHORPERSON ANEMOPHILOUS ANEMOPHOBIAS ANGIOCARPOUS ANGLOPHOBIAS
ANISOMORPHIC ANISOTROPIES ANISOTROPISM ANTEPOSITION ANTHOCARPOUS
ANTHOPHILOUS ANTIGROPELOS ANTISTROPHON APLANOSPORES APOCOPATIONS
APOCYNACEOUS APOCYNTHIONS APOLLONICONS APOMORPHINES APOSTOLICISM
APOSTOLICITY APOSTOLISING APOSTOLIZING APOSTROPHISE APOSTROPHIZE
APOTHEOSISED APOTHEOSISES APOTHEOSIZED APOTHEOSIZES APOTROPAISMS
APPASSIONATO APPORTIONERS APPOSITIONAL APPROBATIONS ARTHROPODOUS
ARTHROSCOPES ARTHROSCOPIC ARTHROSPORES ARTHROSPORIC ASPORTATIONS
ASTROCOMPASS ASTROPHOBIAS AUTOEXPOSURE AUTOHYPNOSES AUTOHYPNOSIS
AUTOMORPHISM AUTOTROPHIES AUXOTROPHIES AXEROPHTHOLS AZOOSPERMIAS
BAROPHORESES BAROPHORESIS BASIDIOSPORE BATHOPHILOUS BATHOPHOBIAS
BLASTOSPORES BOOTSTRAPPED BOOTSTRAPPER BRANCHIOPODS BRONCHOSPASM
CACOPHONIOUS CACOTROPHIES CARPHOLOGIES CARPOLOGISTS CARPOPHAGOUS
CHLOROPLASTS CHOREOGRAPHS CHROMATOPSIA CHROMOPLASTS CHRONOGRAPHS
CLADOSPORIUM COAUTHORSHIP COLEOPTERANS COMMONPLACES COMPASSIONED
COMPENSATION COMPENSATORS COMPENSATORY COMPILATIONS COMPORTANCES
COMPOTATIONS COMPRIMARIOS COMPULSATORY COMPURGATORS COMPUTATIONS
CONSPIRATION CONSPIRATORS CONSPIRATORY CONSTIPATION CONTRAPPOSTO
CONTRAPTIONS COOPERATIONS COOPERATIVES COPROPHAGANS COPROPHAGIES
COPROPHAGIST COPROPHAGOUS COPROPHILIAS CORONAGRAPHS CORONOGRAPHS
CORPORALSHIP CORPORATIONS CORPORATISED CORPORATISES CORPORATISMS
CORPORATISTS CORPORATIZES CORPOREALISE CORPOREALISM CORPOREALIST
COSMOGRAPHER COSMOGRAPHIC COSMOPLASTIC COSMOPOLITAN COTRANSPORTS
CRAPSHOOTERS CRYPTOGAMOUS CTENOPHORANS DACTYLOSCOPY DECOMPOSABLE
DEPLORATIONS DEPOPULATORS DEPORTATIONS DEPOSITATION DEPOSITIONAL
DESPOLIATION DESPOTOCRACY DISCOPHORANS DISCORPORATE DISOPERATION
DOXOGRAPHERS DOXOGRAPHIES DROMOPHOBIAS EDAPHOLOGIES EMETOPHOBIAS
ENTOPLASTRON EOSINOPHILIA EPANORTHOSES EPANORTHOSIS EPISTOLATORY
EPOXIDATIONS ERGATOMORPHS EROTOPHOBIAS ESCAPOLOGIES ESCAPOLOGIST
EVAPORATIONS EXOPHTHALMOS EXPLORATIONS EXPORTATIONS EXPOSITIONAL
EXPOSTULATOR FLAPPERHOODS FORCIPATIONS FORETOPMASTS FRANCOPHOBES
FRANCOPHONES GALVANOSCOPE GALVANOSCOPY GAMETOPHORES GAMOPETALOUS
GAMOPHYLLOUS GAMOSEPALOUS GAMOTROPISMS GASTROPODANS GASTROPODOUS
GASTROSCOPES GASTROSCOPIC GASTROSOPHER GLOSSOGRAPHY GRAMOPHONIES
GRAMOPHONIST GRAPHOLOGIES GRAPHOLOGIST GREASEPROOFS HAEMOPHOBIAS
HAEMOPOIESES HAEMOPOIESIS HALOPERIDOLS HAPTOGLOBINS HAPTOTROPISM
HARMONIPHONS HEPATOGENOUS HEPATOLOGIES HEPATOLOGIST HETEROTOPIAS
HIEROPHOBIAS HIPPOPHAGOUS HIPPOPOTAMUS HOLOGRAPHERS HOLOGRAPHIES
HOLOPARASITE HOLOPHRASTIC HOMEOPATHIES HOMEOPATHIST HOMOGRAPHIES
HOMOPLASMIES HOMOPLASTIES HOROGRAPHERS HOROGRAPHIES HYDROPHANOUS
HYDROPHOBIAS HYPNOPHOBIAS HYPOCORISMAS HYPOGLOSSALS HYPOGNATHOUS
HYPOPLASTRON HYPSOPHOBIAS IMPERSONATOR IMPLORATIONS IMPORTATIONS
IMPROBATIONS IMPROVISATOR INCORPORATES ISOMETROPIAS ISOTOPICALLY
JEOPARDOUSLY KALEIDOSCOPE LAGOMORPHOUS LALAPALOOZAS LAMPOONERIES
LAPAROSCOPES LAPAROSCOPIC LAPAROTOMIES LAPIDICOLOUS LARYNGOSCOPE
LARYNGOSCOPY LEPTOSOMATIC LITHOPHAGOUS LOGOGRAPHERS LOGOGRAPHIES
LOLLAPALOOSA LOPHOBRANCHS LYMPHOMATOUS MACROPHAGOUS MACROPTEROUS
MALLOPHAGOUS MALPOSITIONS MASTIGOPHORE MELANOPHORES METAMORPHOSE
METAMORPHOUS MICROPHAGOUS MISANTHROPOS MONADELPHOUS MONOGRAPHERS
MONOGRAPHIES MONOGRAPHIST MONOPETALOUS MONOSEPALOUS MONOSYNAPTIC
MORPHOSYNTAX MOUNTAINTOPS NAPOLEONITES NECROPHAGOUS NECROPHOBIAS
NEGROPHOBIAS NEMATOPHORES NOMOGRAPHERS NOMOGRAPHIES NONHOSPITALS
NONPHOSPHATE NOSOGRAPHERS NOSOGRAPHIES NOSTOPATHIES NYCTOPHOBIAS
OBSTIPATIONS OBSTROPALOUS OCHLOPHOBIAS OCTAPLOIDIES OCTASTROPHIC
OCTOPETALOUS OCTOSEPALOUS ODONTOGRAPHS OESOPHAGITIS OESOPHAGUSES
OLEOGRAPHIES OLIGOPHAGIES OLIGOPHAGOUS OLIGOSPERMIA OMMATOPHORES
OPERATIONISM OPERATIONIST OPERATORLESS OPHIOLATRIES OPHIOLATROUS
OPHIOPHAGOUS OPINIONATORS OPISTHOGRAPH OPOTHERAPIES OPPIGNORATES
OPPOSABILITY OPPOSITIONAL OPSONISATION OPSONIZATION OPTIMISATION
OPTOACOUSTIC OREOGRAPHIES OROPHARYNGES OROPHARYNXES ORTHOPAEDICS
ORTHOPAEDIES ORTHOPAEDIST ORTHOPRAXIES ORTHOPTERANS OSCILLOGRAPH
OSTEOPATHIES OSTEOPATHIST OSTEOPLASTIC OSTREOPHAGES OUTPASSIONED
OUTPOPULATES OVERCANOPIES OVEROPERATES OVERPROGRAMS OXYCEPHALOUS
PAEDODONTICS PAEDOLOGISTS PALAEOLOGIES PALUDICOLOUS PALYNOLOGIES
PALYNOLOGIST PAMPELMOOSES PANTOPHAGOUS PANTOPHOBIAS PAPYROLOGIES
PAPYROLOGIST PARAMORPHOUS PARASITOLOGY PARATROOPERS PARONOMASIAS
PARONOMASIES PARONOMASTIC PARONYMOUSLY PARSIMONIOUS PATHOGNOMIES
PATHOLOGISED PATHOLOGISES PATHOLOGISTS PATHOLOGIZES PATHOPHOBIAS
PATROCLINOUS PATROLOGISTS PATROONSHIPS PERCOLATIONS PERFORATIONS
PERIODONTIAS PERSONATIONS PESTOLOGICAL PETRODOLLARS PHAENOGAMOUS
PHAENOLOGIES PHAGOCYTOSED PHAGOCYTOSES PHAGOCYTOSIS PHAGOPHOBIAS
PHILOLOGIANS PHONOPHOBIAS PHONOTACTICS PHOSPHORATED PHOSPHORATES
PHOTOELASTIC PHOTOFLASHES PHOTOLYSABLE PHOTOMOSAICS PHOTONASTIES
PHOTOPHOBIAS PHOTOREALISM PHOTOREALIST PHOTOSCANNED PHOTOSTATING
PHOTOSTATTED PHRASEOLOGIC PHYTOPHAGOUS PIGNORATIONS PLAGIOSTOMES
PLASMOSOMATA PLEROPHORIAS POCOCURANTES POLARISATION POLARISCOPES
POLARISCOPIC POLAROGRAPHS POLLINATIONS POLYALCOHOLS POLYAMORISTS
POLYCHAETOUS POLYGAMOUSLY POLYGONATUMS POLYOMAVIRUS POLYPETALOUS
POLYSEPALOUS POLYSILOXANE POLYSORBATES POLYTONALISM POLYTONALIST
PONDERATIONS PORCELAINOUS PORCELANEOUS PORCELLANOUS PORNOCRACIES
POSITIONALLY POSSESSIONAL POSTABORTION POSTCOLONIAL POSTCORONARY
POSTDOCTORAL POSTHOSPITAL POSTILLATION POSTILLATORS POSTNEONATAL
POSTORGASMIC POSTROMANTIC POSTULATIONS POSTVAGOTOMY POTAMOGETONS
POTAMOLOGIES POTAMOLOGIST POTENTIATORS POWERBOATERS PRAXEOLOGIES
PRAXINOSCOPE PRECOLONIALS PREDOCTORALS PROBATIONERS PROBOSCIDEAN
PROBOSCIDIAN PROCESSIONAL PROCONSULATE PROCREATIONS PROCTODAEUMS
PROCURATIONS PROFANATIONS PROFESSIONAL PROFESSORATE PROFESSORIAL
PROFESSORIAT PROMULGATORS PROOFREADERS PROPAGATIONS PROPITIATORS
PROPRANOLOLS PROROGATIONS PROSAUROPODS PROSECTORIAL PROSOBRANCHS
PROSODICALLY PROSOPOPEIAL PROSOPOPEIAS PROSOPOPOEIA PROSTRATIONS
PROTAGONISMS PROTAGONISTS PROTESTATION PROTOMARTYRS PROTONATIONS
PROTOPATHIES PROTOPLANETS PROTOPLASMAL PROTOPLASMIC PROTOPLASTIC
PROTRACTIONS PROVISIONALS PROVISIONARY PROVOCATEURS PROVOCATIONS
PROVOCATIVES PROXIMATIONS PSEUDOLOGIAS PSEUDOMONADS PSEUDOPODIAL
PSEUDORANDOM PSYCHOSOCIAL PUFFTALOONAS PUFTALOONIES RADIOISOTOPE
RADIOPHONICS RADIOPHONIES RADIOPHONIST RADIOSCOPIES REABSORPTION
REAPPORTIONS REOPERATIONS REPROBATIONS RESPONSORIAL RETINOSPORAS
RHINOPHONIAS RHIZOCARPOUS RHIZOPHAGOUS RHODODAPHNES SAPROPHAGOUS
SAPROTROPHIC SARCOPHAGOUS SARRUSOPHONE SATANOPHOBIA SAXOPHONISTS
SCATOPHAGOUS SCOLOPACEOUS SCOLOPENDRAS SCOPOLAMINES SCOPOPHILIAC
SCOPOPHILIAS SCOPOPHOBIAS SCOPTOPHILIA SCOPTOPHOBIA SCORPAENOIDS
SCRAPBOOKERS SCRAPBOOKING SHARPSHOOTER SHATTERPROOF SHOPAHOLISMS
SINDONOPHANY SITIOPHOBIAS SNAPSHOOTERS SNAPSHOOTING SNOBOGRAPHER
SOAPOLALLIES SOCIOPATHIES SOMATOPLASMS SOMATOPLEURE SOMATOTROPIC
SOMATOTROPIN SOMATOTYPING SONOGRAPHERS SONOGRAPHIES SOPHOMORICAL
SOUSAPHONIST SPANOKOPITAS SPERMATOZOAL SPERMATOZOAN SPERMATOZOIC
SPERMATOZOID SPERMATOZOON SPODOMANCIES SPONGIOBLAST SPORANGIOLES
SPORANGIOLUM SPORULATIONS STAUROSCOPES STAUROSCOPIC STEATOPYGOUS
STEGOCARPOUS STENOPHAGOUS STROPHIOLATE SUBAPOSTOLIC SUDORIPAROUS
SULPHONATION SYNAPOMORPHY SYNAPTOSOMAL SYNAPTOSOMES SYNCOPATIONS
TAPHONOMISTS TAPHOPHOBIAS TAUTOPHONIES TEASPOONFULS TEASPOONSFUL
TEMPORANEOUS TETRASPOROUS THEOPHOBIACS THEOSOPHICAL THORACOSCOPE
TOMOGRAPHIES TOPOGRAPHERS TOPOGRAPHIES TORSIOGRAPHS TOXIPHOBIACS
TRACHEOSCOPY TRANSPONDORS TRAPSHOOTERS TRAPSHOOTING TROPHOBLASTS
TROPHOPLASMS TROPOSCATTER TRYPANOSOMAL TRYPANOSOMES TRYPANOSOMIC
UNCOMPOSABLE UPROARIOUSLY VAPORISATION VAPOROSITIES VAPOROUSNESS
VASOPRESSORS ZOANTHROPIES ZOOGRAPHISTS ZOOPLANKTERS ZOOPLANKTONS
ZOOSPERMATIC ZOOSPORANGIA ZOOTHERAPIES