There are 789 eleven-letter words containing A, 2O and P, https://www.bestwordlist.com/c/a/4/11letterwordswithaoop.htm ABIOTROPHIC ABSORPTIONS ACROCARPOUS ACROPHOBIAS ACROPHOBICS ACROPHONIES ACROPOLISES ADIAPHOROUS ADIPOCEROUS ADOPTIONISM ADOPTIONIST ADSORPTIONS AECIDOSPORE AECIOSPORES AEOLOTROPIC AEROPHOBIAS AEROTROPISM AGORAPHOBES AGORAPHOBIA AGORAPHOBIC AILUROPHOBE AIRPROOFING ALDOPENTOSE ALGOPHOBIAS ALLELOMORPH ALLOMORPHIC ALLOPURINOL ALLOTROPIES ALLOTROPISM ALLOTROPOUS AMBOCEPTORS AMINOPHENOL AMMOPHILOUS AMORPHOUSLY AMPHIBOLOGY AMPHIBOLOUS AMPHIPODOUS AMYOTROPHIC ANAMORPHOUS ANDROPHORES ANEMOPHOBIA ANEMOSCOPES ANGLOPHOBES ANGLOPHOBIA ANGLOPHOBIC ANGLOPHONES ANGLOPHONIC ANISOTROPIC ANTHOPHORES ANTHROPOIDS ANTIPROTONS AORTOGRAPHY APLANOSPORE APOCHROMATS APOCOPATING APOCOPATION APOCYNTHION APOGAMOUSLY APOLLONICON APOLOGETICS APOLOGISERS APOLOGISING APOLOGIZERS APOLOGIZING APOMORPHIAS APOMORPHINE APONEUROSES APONEUROSIS APONEUROTIC APOPROTEINS APOSIOPESES APOSIOPESIS APOSIOPETIC APOSTOLATES APOSTOLICAL APOSTOLISED APOSTOLISES APOSTOLIZED APOSTOLIZES APOSTROPHES APOSTROPHIC APOSTROPHUS APOTHEOSISE APOTHEOSIZE APOTROPAISM APPORTIONED APPORTIONER APPOSITIONS APPROBATION APPROBATORY ARTHROPODAL ARTHROPODAN ARTHROSCOPE ARTHROSCOPY ARTHROSPORE ASPORTATION ASTROPHOBIA ASTROPHOBIC AUTOMORPHIC AUTOPHAGOUS AUTOPHANOUS AUTOPHOBIAS AUTOPHOBIES AUTOPHONIES AUTOSCOPIES AUTOTROPHIC AUXOTROPHIC AVOIRDUPOIS AXEROPHTHOL AZEOTROPIES AZOOSPERMIA AZOOSPERMIC AZYGOSPORES BABYPROOFED BAROCEPTORS BATHOPHOBIA BICORPORATE BLASTOPORAL BLASTOPORES BLASTOPORIC BLASTOSPORE BRACHIOPODS BRANCHIOPOD CACOPHONIES CACOPHONOUS CAMPANOLOGY CANOPHOBIAS CAPODASTROS CAPRICCIOSO CARPOGONIAL CARPOGONIUM CARPOLOGIES CARPOLOGIST CARPOOLINGS CARPOPHORES CARPOSPORES CEPHALOPODS CEPHALOTOMY CHILOPODANS CHIROPODIAL CHLOROPLAST CHOREOGRAPH CHOROGRAPHY CHROMOPLAST CHRONOGRAPH CLADOSPORIA COAPTATIONS COCHAMPIONS CODSWALLOPS COLEOPTERAL COLEOPTERAN COLPORTAGES COMMONPLACE COMPACTIONS COMPANIONED COMPARATORS COMPARISONS COMPASSIONS COMPATRIOTS COMPENSATOR COMPILATION COMPILATORS COMPILATORY COMPONENTAL COMPORTANCE COMPOSTABLE COMPOTATION COMPOTATORS COMPOTATORY COMPRADORES COMPRIMARIO COMPURGATOR COMPUTATION COMPUTATORS CONSPIRATOR CONTRAPROPS CONTRAPTION COOPERATING COOPERATION COOPERATIVE COOPERATORS COOPTATIONS COPROLALIAC COPROLALIAS COPROPHAGAN COPROPHAGIC COPROPHILIA COPULATIONS CORNUCOPIAN CORNUCOPIAS CORONAGRAPH CORONOGRAPH CORPORALITY CORPORATELY CORPORATION CORPORATISE CORPORATISM CORPORATIST CORPORATIVE CORPORATIZE CORPORATORS CORPOREALLY COSMOGRAPHY COTEMPORARY COTRANSPORT CRANIOSCOPY CRAPSHOOTER CREOPHAGOUS CTENOPHORAN CYCLOSPORAS CYMOPHANOUS CYNOPHOBIAS DEPLORATION DEPOPULATOR DEPORTATION DIPLOCOCCAL DISCOPHORAN DODECAPHONY DOXOGRAPHER DOXOGRAPHIC DROMOPHOBIA DROSOPHILAE DROSOPHILAS EMETOPHOBIA ENDOPHAGOUS ENTOMOPHAGY EPOXIDATION ERGATOMORPH ERGOPHOBIAS EROTOPHOBIA EUROPHOBIAS EVAPORATION EVAPORATORS EXPLORATION EXPLORATORY EXPORTATION FLAMEPROOFS FLAPDOODLES FLAPPERHOOD FLOODPLAINS FOETIPAROUS FORCIPATION FORETOPMAST FORTEPIANOS FRANCOPHOBE FRANCOPHONE GAMETOPHORE GAMOTROPISM GASTEROPODS GASTROPODAN GASTROPORNS GASTROSCOPE GASTROSCOPY GASTROSOPHS GASTROSOPHY GENOPHOBIAS GRAMOPHONES GRAMOPHONIC GRAPHOLOGIC GRAPHOMOTOR GREASEPROOF GYNOPHOBIAS GYROCOMPASS HAEMOPHOBIA HAGIOSCOPES HAGIOSCOPIC HALOMORPHIC HALOPERIDOL HALOPHILOUS HAPLOBIONTS HAPLOLOGIES HAPTOGLOBIN HAPTOTROPIC HARMONIPHON HARPOONEERS HEPATOSCOPY HEPATOTOXIC HETEROPOLAR HETEROTOPIA HIEROPHOBIA HIPPODAMOUS HIPPOPOTAMI HODOGRAPHIC HOLOGRAPHED HOLOGRAPHER HOLOGRAPHIC HOLOPHRASES HOMEOPATHIC HOMOEOPATHS HOMOEOPATHY HOMOGRAPHIC HOMOPHOBIAS HOMOPLASIES HOMOPLASTIC HOMOPTERANS HOROGRAPHER HYDROPHOBIA HYLOPHAGOUS HYOPLASTRON HYPNOPHOBIA HYPOAEOLIAN HYPOCORISMA HYPOGLOSSAL HYPSOPHOBIA ICONOGRAPHY IMPLORATION IMPLORATORS IMPLORATORY IMPORTATION IMPROBATION INCORPORALL INCORPORATE INCORPOREAL ISAPOSTOLIC ISOMETROPIA ITEROPAROUS KENOPHOBIAS LACTOSCOPES LADDERPROOF LAGOMORPHIC LALAPALOOZA LAMPOONISTS LAPAROSCOPE LAPAROSCOPY LEPROMATOUS LIPOMATOSES LIPOMATOSIS LOGOGRAPHER LOGOGRAPHIC LOGOPAEDICS LOPHOBRANCH MACROCOPIES MACROSCOPIC MACROSPORES MALPOSITION MANOSCOPIES MEGALOPOLIS MELANOPHORE MONOCARPOUS MONOGRAPHED MONOGRAPHER MONOGRAPHIC MONOPHAGIES MONOPHAGOUS MONOPHOBIAS MONOPLEGIAS MONOSPERMAL MONOTHERAPY MOUNTAINTOP MYCOPHAGOUS MYRIAPODOUS MYSOPHOBIAS MYTHOPOEIAS NAPOLEONITE NECROPHOBIA NEGROPHOBIA NEMATOPHORE NEOTROPICAL NEUROSPORAS NOMOGRAPHER NOMOGRAPHIC NONCOPLANAR NONHOSPITAL NONOPERATIC NONPERSONAL NONPORTABLE NONPROGRAMS NONTEMPORAL NONTROPICAL NONUTOPIANS NOSOGRAPHER NOSOGRAPHIC NOSOPHOBIAS NYCTOPHOBIA OBSTIPATION OCCUPATIONS OCHLOPHOBIA ODONTOGRAPH OESOPHAGEAL OLEOGRAPHIC OMEPRAZOLES OMMATOPHORE ONYCHOPHAGY OOJAMAFLIPS OPERAGOINGS OPERATIONAL OPHIOLATERS OPINIONATED OPINIONATES OPINIONATOR OPISTHOSOMA OPPIGNORATE OPPILATIONS OPSOMANIACS OPTIONALITY OREOGRAPHIC OROGRAPHERS OROGRAPHIES ORPHANHOODS ORTHOEPICAL ORTHOGRAPHS ORTHOGRAPHY ORTHOPAEDIC ORTHOPEDIAS ORTHOPNOEAS ORTHOPRAXES ORTHOPRAXIS ORTHOPTERAN OSTEOGRAPHY OSTEOPATHIC OSTEOPLASTY OSTREOPHAGE OSTREOPHAGY OTOPLASTIES OUTGALLOPED OUTPASSIONS OUTPOPULATE OVEROPERATE OVERPROGRAM OVIPAROUSLY PAEDODONTIC PAEDOLOGIES PAEDOLOGIST PAEDOTROPHY PALEOBOTANY PALEOLOGIES PALLIDOTOMY PALYNOLOGIC PAMPELMOOSE PANOPHOBIAS PANOPTICONS PANTALOONED PANTHEOLOGY PANTOPHOBIA PANTOSCOPES PANTOSCOPIC PANZEROTTOS PARABOLOIDS PARADOCTORS PARATROOPER PARENTHOODS PARLEYVOOED PARONOMASIA PAROXYTONES PAROXYTONIC PASTRYCOOKS PATHOGENOUS PATHOLOGIES PATHOLOGISE PATHOLOGIST PATHOLOGIZE PATHOPHOBIA PATROLOGIES PATROLOGIST PATROLWOMAN PATROLWOMEN PATROONSHIP PEASHOOTERS PEDOLOGICAL PEJORATIONS PENOLOGICAL PERCOLATION PERCOLATORS PERFORATION PERFORATORS PERFORATORY PERIODONTAL PERIODONTIA PERORATIONS PEROXISOMAL PERSONATION PERSONATORS PETRODOLLAR PHAELONIONS PHAENOMENON PHAGOCYTOSE PHAGOPHOBIA PHILOLOGIAN PHILOPOENAS PHOCOMELIAS PHONOGRAMIC PHONOGRAPHS PHONOGRAPHY PHONOPHOBIA PHONOTACTIC PHOSPHORATE PHOTOACTIVE PHOTOAGINGS PHOTOBATHIC PHOTOGRAPHS PHOTOGRAPHY PHOTOMAPPED PHOTOMOSAIC PHOTOMURALS PHOTONASTIC PHOTOPHASES PHOTOPHOBIA PHOTOSTATED PHOTOSTATIC PHOTOTACTIC PHOTOTAXIES PHRASEOLOGY PIANOFORTES PICAROONING PIGNORATION PLAGIOSTOME PLANETOLOGY PLANOCONVEX PLASMOSOMES PLAYSCHOOLS PLEROPHORIA POCOCURANTE POLARISCOPE POLAROGRAMS POLAROGRAPH POLICEWOMAN POLLINATION POLLINATORS POLYALCOHOL POLYAMORIES POLYAMORIST POLYAMOROUS POLYANDROUS POLYCARPOUS POLYCLONALS POLYGLOTTAL POLYGONALLY POLYGONATUM POLYNOMIALS POLYPHAGOUS POLYPLOIDAL POLYSORBATE POLYTONALLY POLYZOARIAL POLYZOARIES POLYZOARIUM POMOLOGICAL POMOSEXUALS POMPADOURED PONDERATION POPULATIONS PORNOGRAPHY PORNOTOPIAN PORNOTOPIAS PORTABELLOS PORTOBELLAS POSOLOGICAL POSTHOLIDAY POSTILLATOR POSTOCULARS POSTORBITAL POSTPONABLE POSTSEASONS POSTULATION POSTULATORS POSTULATORY POSTVOCALIC POTAMOGETON POTENTIATOR POWERBOATER POZZUOLANAS PRAEPOSTORS PRECOLONIAL PREDOCTORAL PRIMATOLOGY PROABORTION PROBATIONAL PROBATIONER PROCARYOTES PROCARYOTIC PROCONSULAR PROCREATION PROCREATORS PROCTODAEAL PROCTODAEUM PROCTORAGES PROCURATION PROCURATORS PROCURATORY PROFANATION PROFANATORY PROGNATHOUS PROKARYOTES PROKARYOTIC PROLEGOMENA PROLONGABLE PROLONGATED PROLONGATES PROMACHOSES PROMOTIONAL PROMULGATOR PROOFREADER PROPAGATION PROPAGATORS PROPIONATES PROPITIATOR PROPRAETORS PROPRANOLOL PROROGATING PROROGATION PROSAUROPOD PROSOBRANCH PROSOPOPEIA PROSTRATION PROTAGONISM PROTAGONIST PROTANDROUS PROTANOMALY PROTANOPIAS PROTEACEOUS PROTECTORAL PROTHALLOID PROTHORACES PROTHORACIC PROTHORAXES PROTOAVISES PROTOCOCCAL PROTOGALAXY PROTOHUMANS PROTOMARTYR PROTONATING PROTONATION PROTONEMATA PROTONOTARY PROTOPATHIC PROTOPLANET PROTOPLASMS PROTOPLASTS PROTRACTION PROTRACTORS PROVISIONAL PROVOCATEUR PROVOCATION PROVOCATIVE PROVOCATORS PROVOCATORY PROXIMATION PSEUDOLOGIA PSEUDOMONAD PSEUDOMONAS PSEUDOPODAL PSEUDOPODIA PTERANODONS PTOCHOCRACY PUFTALOONAS PYROBALLOGY PYROGALLOLS PYROPHOBIAS QUADROPHONY RADIOPHONES RADIOPHONIC RADIOPHOTOS RADIOSCOPES RADIOSCOPIC RAINPROOFED READOPTIONS REAPPORTION REOPERATION REPORTORIAL REPROBATION REPROBATORS REPROBATORY RETINOSPORA RHINOPHONIA RHIZOPODANS RHODODAPHNE RHODOPHANES ROTOGRAPHED SAPONACEOUS SAPOTACEOUS SAPPANWOODS SAPROBIONTS SAPROBIOTIC SAPROGENOUS SAPROTROPHS SAUROPODOUS SAXOPHONIST SCHIZOPODAL SCOLOPENDRA SCOPOLAMINE SCOPOPHILIA SCOPOPHOBIA SCORPAENOID SCRAPBOOKED SCRAPBOOKER SCRAPEGOODS SCYPHOZOANS SHOPAHOLICS SHOPAHOLISM SIPHONOGAMS SIPHONOGAMY SITIOPHOBIA SITOPHOBIAS SMOOTHPATES SNAPSHOOTER SNOBOGRAPHY SOAPOLALLIE SOCIOPATHIC SOMATOPLASM SOMATOTYPED SOMATOTYPES SONOGRAPHER SONOGRAPHIC SOUSAPHONES SPANOKOPITA SPELAEOLOGY SPERMATOZOA SPERMOGONIA SPHAGNOLOGY SPLASHPROOF SPLAYFOOTED SPODOMANTIC SPOKESWOMAN SPOLIATIONS SPONTANEOUS SPORANGIOLA SPORANGIOLE SPOROGONIAL SPORTSWOMAN SPORULATION STATOSCOPES STAUROSCOPE STEGANOPODS STOMATOPODS SYNAPTOSOME SYNCOPATION SYNCOPATORS TABLESPOONS TAMPERPROOF TAPHONOMIES TAPHONOMIST TAPHOPHOBIA TAUTOPHONIC TEASPOONFUL TETRAPODOUS THEOPHAGOUS THEOPHANOUS THEOPHOBIAC THEOPHOBIAS THEROPODANS TOCOPHOBIAS TOKOPHOBIAS TOMOGRAPHIC TOOTHPASTES TOPAGNOSIAS TOPAZOLITES TOPLOFTICAL TOPOGRAPHER TOPOGRAPHIC TOPOLOGICAL TOPONYMICAL TOPOPHILIAS TORSIOGRAPH TOXIPHAGOUS TOXIPHOBIAC TOXIPHOBIAS TOXOPLASMAS TOXOPLASMIC TRANSPONDOR TRANSPOSONS TRAPSHOOTER TROPAEOLINS TROPAEOLUMS TROPHOBLAST TROPHOPLASM TROPHOTAXES TROPHOTAXIS TROPOPAUSES TRYPANOSOME TYPOLOGICAL UNAPOSTOLIC VANPOOLINGS VASOPRESSOR WATERPROOFS WOMANPOWERS XENOPHOBIAS XIPHOPAGOUS XYLOCARPOUS XYLOPHAGOUS ZELOPHOBIAS ZOANTHROPIC ZOOCEPHALIC ZOOGRAPHERS ZOOGRAPHIES ZOOGRAPHIST ZOOPHYTICAL ZOOPLANKTER ZOOPLANKTON ZOOPLASTIES