There are 630 fourteen-letter words containing A, P and U, https://www.bestwordlist.com/c/a/3/14letterwordswithapu.htm ACCOUNTANTSHIP ACTINOMORPHOUS ACUPUNCTURINGS ACUPUNCTURISTS AILOUROPHILIAS AILOUROPHOBIAS ALPHANUMERICAL AMPHIBIOUSNESS AMPHIBLASTULAE ANDROCEPHALOUS ANTEPENULTIMAS ANTHROPOPHAGUS ANTHROPOPHUISM ANTICORRUPTION ANTIPOLLUTIONS ANTIREPUBLICAN ANTISCRIPTURAL APPROPINQUATED APPROPINQUATES AUSPICIOUSNESS AUTOBIOGRAPHER AUTOBIOGRAPHIC AUTOCOPROPHAGY AUTOPHYTICALLY AUTOPOLYPLOIDS AUTOPOLYPLOIDY AUTORADIOGRAPH AUTOTETRAPLOID AUTOTYPOGRAPHY BASIDIOSPOROUS CAMPANULACEOUS CAMPYLOTROPOUS CAPPARIDACEOUS CAPRICIOUSNESS CAPTIOUSNESSES CATECHUMENSHIP CENTUPLICATING CENTUPLICATION CERULOPLASMINS CHEMAUTOTROPHS CHEMOAUTOTROPH CHURCHMANSHIPS CLAUSTROPHILIA CLAUSTROPHOBES CLAUSTROPHOBIA CLAUSTROPHOBIC COADJUTORSHIPS COLLEAGUESHIPS COMPURGATORIAL COMPUTERISABLE COMPUTERIZABLE COMPUTERPHOBIA CONCEPTUALISED CONCEPTUALISER CONCEPTUALISES CONCEPTUALISMS CONCEPTUALISTS CONCEPTUALIZED CONCEPTUALIZER CONCEPTUALIZES CONDUPLICATION CONSPURCATIONS CONSTUPRATIONS CONSULTANTSHIP CONTEMPERATURE CONTRAPUNTALLY CONTRAPUNTISTS CORPUSCULARIAN CORPUSCULARITY COTEMPORANEOUS COUNTEREXAMPLE COUNTERPARTIES COUNTERPLANNED COUNTERPLAYERS COUNTERPLAYING COUNTERPLEADED CULPABLENESSES CURIETHERAPIES CUSTODIANSHIPS DAGUERREOTYPED DAGUERREOTYPER DAGUERREOTYPES DECAPSULATIONS DECOMPOUNDABLE DEDUPLICATIONS DESPIRITUALISE DESPIRITUALIZE DESULPHURATING DESULPHURATION DIAPHANOUSNESS DIPTEROCARPOUS DISCIPLINARIUM DISPAUPERISING DISPAUPERIZING DISPURVEYANCES DISPUTABLENESS DISPUTATIOUSLY DISREPUTATIONS DISTEMPERATURE DOUBLESPEAKERS DRAUGHTPROOFED DRAUGHTSPERSON EMPYREUMATICAL EMPYREUMATISED EMPYREUMATISES EMPYREUMATIZED EMPYREUMATIZES ENCAPSULATIONS ENTEROPNEUSTAL EQUIPARTITIONS EQUIPONDERANCE EQUIPONDERANCY EQUIPONDERATED EQUIPONDERATES EQUIPOTENTIALS EUPHAUSIACEANS EUPHORBIACEOUS EUPHUISTICALLY EUTROPHICATION EXOPHTHALMUSES EXPOSTULATIONS EXTEMPORANEOUS FERROPRUSSIATE FLAVOPURPURINS FLUNITRAZEPAMS FLUOROGRAPHIES GALACTOPHOROUS GELANDESPRUNGS HAEMATOPHAGOUS HAPLOSTEMONOUS HARUSPICATIONS HEPATOCELLULAR HIPPOPOTAMUSES HYDROCEPHALOUS HYDROPNEUMATIC HYDROSULPHATES HYPERACUTENESS HYPERMASCULINE HYPERPITUITARY HYPERSEXUALITY HYPERSTIMULATE HYPERURBANISMS HYPERURICAEMIA HYPERURICEMIAS ICHTHYOPHAGOUS IMPERTURBATION IMPLAUSIBILITY IMPOSTHUMATING IMPOSTHUMATION IMPOSTUMATIONS IMPUTABILITIES INAUSPICIOUSLY INCAPSULATIONS INCULPABLENESS INDUPLICATIONS INFOPRENEURIAL INSUPERABILITY INTERPUNCTUATE INTERPUPILLARY JUSTICIARSHIPS JUXTAPOSITIONS LEPTOCEPHALOUS LEPTODACTYLOUS LEUCOCYTOPENIA LEUKOCYTOPENIA LIEUTENANTSHIP MACROCEPHALOUS MALACOPHYLLOUS MALPIGHIACEOUS MANIPULABILITY MANIPULATIVELY MASTIGOPHOROUS MEGASPORANGIUM MERCAPTOPURINE METABISULPHITE METACOMPUTINGS MICROCEPHALOUS MICROPULSATION MISASSUMPTIONS MISCOMPUTATION MISPERSUASIONS MISPUNCTUATING MISPUNCTUATION MOUSETRAPPINGS MULTICUSPIDATE MULTIHOSPITALS MULTIPARAMETER MULTIPARTICLES MULTIPARTYISMS MULTIPLATINUMS MULTIPLICATION MULTIPLICATIVE MULTIPLICATORS MULTIPOTENTIAL MUNICIPALISING MUNICIPALITIES MUNICIPALIZING MYRMECOPHAGOUS NANOPUBLISHING NEUROPATHOLOGY NONSPECTACULAR NONSPECULATIVE NONTHERAPEUTIC OCCUPATIONALLY OMBUDSMANSHIPS ORTHOCEPHALOUS OUTMANIPULATED OUTMANIPULATES OVERPARTICULAR OVERPERSUADING OVERPERSUASION OVERPOPULATING OVERPOPULATION OVERSPECULATED OVERSPECULATES PACHYDACTYLOUS PACHYDERMATOUS PALAEOCURRENTS PANDICULATIONS PANLEUCOPENIAS PANLEUKOPENIAS PANSEXUALITIES PAPILIONACEOUS PAPILLOMAVIRUS PARAINFLUENZAS PARAJOURNALISM PARALINGUISTIC PARAMENSTRUUMS PARANTHROPUSES PARENCHYMATOUS PARSIMONIOUSLY PARTICULARISED PARTICULARISER PARTICULARISES PARTICULARISMS PARTICULARISTS PARTICULARIZED PARTICULARIZER PARTICULARIZES PARTICULARNESS PARTURIFACIENT PASTEURISATION PASTEURIZATION PATULOUSNESSES PAUPERISATIONS PAUPERIZATIONS PEACEFULNESSES PEDUNCULATIONS PENNATULACEOUS PENTADACTYLOUS PERAMBULATIONS PERCUTANEOUSLY PERIMENOPAUSAL PERIMENOPAUSES PERLOCUTIONARY PERLUSTRATIONS PERMUTABLENESS PERPENDICULARS PERPETUALITIES PERSCRUTATIONS PERSUADABILITY PERSUASIBILITY PERSUASIVENESS PERTINACIOUSLY PERTURBATIONAL PERTURBATORIES PHARMACEUTICAL PHARMACEUTISTS PHENYLBUTAZONE PHENYLTHIOUREA PHILADELPHUSES PHONAUTOGRAPHS PHOTOAUTOTROPH PHOTODUPLICATE PICAYUNISHNESS PICORNAVIRUSES PICTURISATIONS PICTURIZATIONS PIPIWHARAUROAS PLASTOQUINONES PLATINIRIDIUMS PLATITUDINISED PLATITUDINISER PLATITUDINISES PLATITUDINIZED PLATITUDINIZER PLATITUDINIZES PLATYCEPHALOUS PLAUSIBILITIES PLEASURABILITY PLECTOGNATHOUS PLESIOSAURIANS PLEURAPOPHYSES PLEURAPOPHYSIS PLOUGHMANSHIPS PLURALISATIONS PLURALIZATIONS PLUVIOMETRICAL PNEUMATICITIES PNEUMATOLOGIES PNEUMATOLOGIST PNEUMATOMETERS PNEUMATOPHORES PNEUMOBACILLUS PNEUMODYNAMICS PNEUMOGASTRICS PNEUMOTHORACES PNEUMOTHORAXES POCOCURANTEISM POCOCURANTISMS POCOCURANTISTS PODOPHTHALMOUS POLEMONIACEOUS POLYBUTADIENES POLYOMAVIRUSES POLYUNSATURATE POPULARISATION POPULARIZATION PORTULACACEOUS POSTAMPUTATION POSTCOPULATORY POSTGRADUATION POSTINDUSTRIAL POSTMENOPAUSAL POSTSURGICALLY POSTULANTSHIPS PREACQUAINTING PREACQUISITION PREAUTHORIZING PRECARIOUSNESS PREDACEOUSNESS PREDACIOUSNESS PREDEVALUATION PREFIGURATIONS PREFORMULATING PREJUDICATIONS PREMANDIBULARS PREMANUFACTURE PREMENSTRUALLY PREOCCUPANCIES PREOCCUPATIONS PREPUBLICATION PRESSURISATION PRESSURIZATION PREUNIFICATION PROCELEUSMATIC PROCURATORSHIP PRONUCLEARISTS PRONUNCIAMENTO PRONUNCIATIONS PROPAEDEUTICAL PROTOACTINIUMS PROTOLANGUAGES PROTUBERANCIES PROTUBERATIONS PROVENTRICULAR PRUDENTIALISMS PRUDENTIALISTS PSEUDAESTHESIA PSEUDARTHROSES PSEUDARTHROSIS PSEUDEPIGRAPHA PSEUDEPIGRAPHS PSEUDEPIGRAPHY PSEUDOCLASSICS PSEUDOGRAPHIES PSEUDOMEMBRANE PSEUDOPREGNANT PSYCHOACOUSTIC PSYCHOSEXUALLY PSYCHOSURGICAL PUGILISTICALLY PUGNACIOUSNESS PULVERISATIONS PULVERIZATIONS PUNCTUATIONIST PUNDITOCRACIES PUPILABILITIES PURCHASABILITY PUTRIFICATIONS PYROMETALLURGY QUADRUPLICATED QUADRUPLICATES QUASIPARTICLES QUINQUEPARTITE QUINTUPLICATED QUINTUPLICATES RADIOAUTOGRAPH RAMPAGEOUSNESS RECAPITULATING RECAPITULATION RECAPITULATIVE RECAPITULATORY RECOMPUTATIONS REDUPLICATIONS REPOPULARISING REPOPULARIZING REPUBLICANISED REPUBLICANISES REPUBLICANISMS REPUBLICANIZED REPUBLICANIZES REPUBLICATIONS REPUDIATIONIST REPUNCTUATIONS REPUTABILITIES REPUTATIONLESS RESPIRITUALISE RESPIRITUALIZE RHIZOCEPHALOUS ROENTGENOPAQUE SAUROPTERYGIAN SCAPHOCEPHALUS SCAPULIMANCIES SCAPULOMANCIES SCEUOPHYLACIUM SCRIPTURALISMS SCRIPTURALISTS SEPTUAGENARIAN SEPTUAGENARIES SESQUIPEDALIAN SESQUIPEDALITY SEXTUPLICATING SINANTHROPUSES SPACIOUSNESSES SPATHIPHYLLUMS SPECTACULARITY SPERMATOGENOUS SPERMATOGONIUM SPIRITUALISERS SPIRITUALISING SPIRITUALISTIC SPIRITUALITIES SPIRITUALIZERS SPIRITUALIZING STAPHYLOCOCCUS STEGOCEPHALOUS STROPHANTHUSES SUBAPPEARANCES SUBATMOSPHERIC SUBDEACONSHIPS SUBDEPARTMENTS SUBPOPULATIONS SUBPROLETARIAT SUBSPECIALISED SUBSPECIALISES SUBSPECIALISTS SUBSPECIALIZED SUBSPECIALIZES SUBSPECIALTIES SUBSPONTANEOUS SUBTHERAPEUTIC SUFFRAGANSHIPS SULFINPYRAZONE SULPHACETAMIDE SULPHADIAZINES SULPHANILAMIDE SULPHATHIAZOLE SULPHONMETHANE SULPHONYLUREAS SULPHURISATION SULPHURIZATION SUPERABILITIES SUPERABOUNDING SUPERABSORBENT SUPERABUNDANCE SUPERACHIEVERS SUPERADDITIONS SUPERAMBITIOUS SUPERANNUATING SUPERANNUATION SUPERCALENDERS SUPERCARGOSHIP SUPERCELESTIAL SUPERCILIARIES SUPERCRIMINALS SUPERDAINTIEST SUPERDELEGATES SUPERDIPLOMATS SUPERDOMINANTS SUPERELEVATING SUPERELEVATION SUPEREROGATING SUPEREROGATION SUPEREROGATIVE SUPEREROGATORS SUPEREROGATORY SUPERESSENTIAL SUPERFETATIONS SUPERFICIALISE SUPERFICIALITY SUPERFICIALIZE SUPERFOETATION SUPERGRAVITIES SUPERHARDENING SUPERHUMANISED SUPERHUMANISES SUPERHUMANIZED SUPERHUMANIZES SUPERHUMANNESS SUPERIMPORTANT SUPERIMPOSABLE SUPERINSULATED SUPERLOYALISTS SUPERMASCULINE SUPERMEMBRANES SUPERMILITANTS SUPERNATATIONS SUPERNATURALLY SUPERNORMALITY SUPERORDINATED SUPERORDINATES SUPERORGANISMS SUPEROVULATING SUPEROVULATION SUPERPARTICLES SUPERPATRIOTIC SUPERPHENOMENA SUPERPHOSPHATE SUPERQUALITIES SUPERREGIONALS SUPERSATURATED SUPERSATURATES SUPERSEXUALITY SUPERSONICALLY SUPERSPECTACLE SUPERSTIMULATE SUPERTERRANEAN SUPPLANTATIONS SUPPLEMENTALLY SUPPLICATINGLY SUPPORTABILITY SUPPOSITIONARY SUPRACHOROIDAL SUPRALAPSARIAN SUPRALIMINALLY SUPRAMAXILLARY SUPRAMOLECULAR SUPRAMOLECULES SUPRASEGMENTAL SURPASSINGNESS SURROGATESHIPS SUSPERCOLLATED SUSPERCOLLATES TABLESPOONFULS TABLESPOONSFUL TELAUTOGRAPHIC TEMPERAMENTFUL THAUMATOGRAPHY THAUMATROPICAL THYSANOPTEROUS TRACHYPTERUSES TRANSPICUOUSLY TREASURERSHIPS TREPIDATIOUSLY ULTRACOMPETENT ULTRACREPIDATE ULTRAEXPENSIVE ULTRAPATRIOTIC ULTRAPRACTICAL ULTRAPRECISION UNACCOMPLISHED UNADAPTABILITY UNAPPETISINGLY UNAPPETIZINGLY UNAPPRECIATION UNAPPRECIATIVE UNAPPREHENSIVE UNAPPROACHABLE UNAPPROACHABLY UNAPPROPRIATED UNAPPROPRIATES UNASPIRINGNESS UNCONTEMPLATED UNCONTEMPORARY UNDECIPHERABLE UNDECIPHERABLY UNDECOMPOSABLE UNDEREMPHASISE UNDEREMPHASIZE UNDERPAINTINGS UNDERPOPULATED UNDERSTRAPPERS UNDERSTRAPPING UNDESPAIRINGLY UNEMPHATICALLY UNFLAPPABILITY UNINCORPORATED UNIPERSONALITY UNMETAPHORICAL UNMETAPHYSICAL UNPALATABILITY UNPASSABLENESS UNPEDANTICALLY UNPERSUASIVELY UNPLEASANTNESS UNPLEASANTRIES UNPOETICALNESS UNPOPULARITIES UNPRACTICALITY UNPRAISEWORTHY UNPREDICTABLES UNPREMEDITABLE UNPREMEDITATED UNPREPAREDNESS UNPROFESSIONAL UNPROGRAMMABLE UNPURCHASEABLE UNRECAPTURABLE UNRECIPROCATED UNRESPECTABLES UNSCRIPTURALLY UNSOPHISTICATE UNSPECIFICALLY UNSPIRITUALISE UNSPIRITUALIZE UNSPLINTERABLE UNSYMPATHISING UNSYMPATHIZING UPGRADEABILITY UPROARIOUSNESS UPSTANDINGNESS URANOGRAPHICAL URANOGRAPHISTS VAPOROUSNESSES VITUPERATIVELY VIVIPAROUSNESS XANTHOPHYLLOUS XIPHIHUMERALIS YUPPIFICATIONS