There are 498 fourteen-letter words containing A, R, 2S and U, https://www.bestwordlist.com/c/a/5/14letterwordswitharssu.htm ABSTRUSENESSES ACCOUSTREMENTS ACCURATENESSES ACCURSEDNESSES ACUPUNCTURISTS ADMEASUREMENTS ADULARESCENCES AEROSTRUCTURES AGRIBUSINESSES AGRICULTURISTS AGRIFOODSTUFFS AGROBUSINESSES AGROINDUSTRIES AMATEURISHNESS ANARTHROUSNESS ANKYLOSAURUSES ANTIBARBARUSES ANTIRITUALISMS ANTISCORBUTICS ANTISUBVERSION ANTISUBVERSIVE AQUACULTURISTS AQUICULTURISTS ARTICULATENESS ASYNCHRONOUSLY ATTITUDINISERS AUTHORISATIONS AUTOEROTICISMS AVARICIOUSNESS AVASCULARITIES BANCASSURANCES BASIDIOSPOROUS BICULTURALISMS BILDUNGSROMANS BLACKGUARDISMS BOARDINGHOUSES BRASSFOUNDINGS BREMSSTRAHLUNG BRONTOSAURUSES BRUSHABILITIES BRUTALISATIONS BUREAUCRATESES BUREAUCRATISES BUREAUCRATISMS BUREAUCRATISTS CADAVEROUSNESS CANDLESNUFFERS CANOROUSNESSES CAPRICIOUSNESS CARBURISATIONS CAUTERISATIONS CENSURABLENESS CERULOPLASMINS CHIAROSCURISMS CHIAROSCURISTS CHIVALROUSNESS CHRYSANTHEMUMS CHURCHMANSHIPS CIRCULARNESSES CLAUSTROPHOBES CLEARINGHOUSES COADJUTORSHIPS COASTGUARDSMAN COASTGUARDSMEN COLOURABLENESS COLOURFASTNESS COLOURISATIONS CONNATURALISES CONNATURALNESS CONQUISTADORES CONSPURCATIONS CONSTABULARIES CONSTUPRATIONS CONTRAPUNTISTS COUNTERASSAULT COUNTERSTREAMS COURAGEOUSNESS COXSACKIEVIRUS CRAUNCHINESSES CREATURELINESS CRUSHABILITIES CURATIVENESSES CURVACEOUSNESS CURVACIOUSNESS CYBERSQUATTERS DAUGHTERLINESS DESPIRITUALISE DESQUAMATORIES DESULFURATIONS DEUTERAGONISTS DEUTEROGAMISTS DIOSCOREACEOUS DISADVENTUROUS DISARTICULATES DISAUTHORISING DISFIGURATIONS DISILLUSIONARY DISNATURALISED DISNATURALISES DISNATURALIZES DISPAUPERISING DISPURVEYANCES DISREPUTATIONS DISTRIBUTARIES DIURETICALNESS DOCUMENTARISES DOCUMENTARISTS DOUBLESPEAKERS DRACUNCULIASES DRACUNCULIASIS DRAUGHTINESSES DRAUGHTSPERSON DREADFULNESSES DREAMFULNESSES DUNDERHEADISMS EMPYREUMATISES ENTOMOSTRACOUS EQUESTRIANISMS EXTRANEOUSNESS FACINOROUSNESS FAVOURABLENESS FAVOUREDNESSES FERROPRUSSIATE FIGURATIVENESS FOURSQUARENESS FRAUDULENTNESS FRUITARIANISMS GASTROVASCULAR GELANDESPRUNGS GLABROUSNESSES GLAMOUROUSNESS GLOBULARNESSES GLUCURONIDASES GRACEFULNESSES GRACIOUSNESSES GRATEFULNESSES GRATUITOUSNESS GREGARIOUSNESS GUTTURALNESSES HARMONIOUSNESS HARUSPICATIONS HETEROSOMATOUS HONOURABLENESS HOUSEBREAKINGS HYALURONIDASES HYDROACOUSTICS HYDROSULPHATES HYPERACUTENESS HYPERURBANISMS IDOLATROUSNESS IMMATURENESSES INACCURATENESS INDUSTRIALISED INDUSTRIALISES INDUSTRIALISMS INDUSTRIALISTS INDUSTRIALIZES INSALUBRIOUSLY INSUBORDINATES INSURABILITIES INTEROSCULATES INTERSEXUALISM IRRESUSCITABLE IRRESUSCITABLY JUSTICIARSHIPS KERATOMILEUSES KERATOMILEUSIS LABOUREDNESSES LANGUOROUSNESS LUKEWARMNESSES MACRONUCLEUSES MALACOSTRACOUS MALODOROUSNESS MANRIKIGUSARIS MARICULTURISTS MARVELLOUSNESS MASTIGOPHOROUS MEASURABLENESS MEASUREDNESSES MEGALOSAURIANS MEGASTRUCTURES MICROSTOMATOUS MIRACULOUSNESS MISADVENTURERS MISADVENTUROUS MISARTICULATES MISCALCULATORS MISMEASUREMENT MISPERSUASIONS MISUNDERSTANDS MORDACIOUSNESS MOUSETRAPPINGS MULTIPARTYISMS MUSSELCRACKERS NANOSTRUCTURES NECTAREOUSNESS NEURAMINIDASES NEURASTHENIACS NEUROBLASTOMAS NONINDUSTRIALS NUGATORINESSES OBDURATENESSES ONCORNAVIRUSES ORACULARNESSES OSTEODERMATOUS OUTRAGEOUSNESS OVERENTHUSIASM OVERFASTIDIOUS OVERINSURANCES OVERPERSUASION OVERSPECULATES OVERSTIMULATES PARAMENSTRUUMS PARANTHROPUSES PARSIMONIOUSLY PARTICULARISES PARTICULARISMS PARTICULARISTS PARTICULARNESS PASTEURISATION PAUPERISATIONS PERIMENOPAUSES PERLUSTRATIONS PERMUTABLENESS PERSCRUTATIONS PERSUASIBILITY PERSUASIVENESS PHARMACEUTISTS PICORNAVIRUSES PICTURISATIONS PLESIOSAURIANS PLEURAPOPHYSES PLEURAPOPHYSIS PLURALISATIONS PNEUMOGASTRICS POCOCURANTISMS POCOCURANTISTS POLYOMAVIRUSES POSTINDUSTRIAL POSTSURGICALLY PRECARIOUSNESS PREDACEOUSNESS PREDACIOUSNESS PRESSURISATION PRESSURIZATION PRONUCLEARISTS PRUDENTIALISMS PRUDENTIALISTS PSEUDARTHROSES PSEUDARTHROSIS PSEUDEPIGRAPHS PSEUDOGRAPHIES PSYCHOSURGICAL PULVERISATIONS QUADRISECTIONS QUAESTIONARIES QUARTERMASTERS QUASIPARTICLES QUATERNIONISTS QUESTIONNAIRES RADIOSURGERIES RAMPAGEOUSNESS RAVENOUSNESSES REACQUISITIONS REMEASUREMENTS REPUBLICANISES REPUBLICANISMS REPUTATIONLESS RESPIRITUALISE RESTAURANTEURS RESTIMULATIONS RESUSCITATIONS REUTILISATIONS RITUALISATIONS ROUNDABOUTNESS ROUTINISATIONS RUGGEDISATIONS SACCHARIFEROUS SACRILEGIOUSLY SALUBRIOUSNESS SALUTARINESSES SANGUINARINESS SANGUINIVOROUS SANSCULOTTERIE SATURABILITIES SAXIFRAGACEOUS SCABROUSNESSES SCATTERMOUCHES SCHADENFREUDES SCHLUMBERGERAS SCRIPTURALISMS SCRIPTURALISTS SCRUTABILITIES SECULARISATION SECURITISATION SEPTUAGENARIES SEQUESTRATIONS SIMAROUBACEOUS SINANTHROPUSES SINGULARNESSES SLANDEROUSNESS SLAUGHTERHOUSE SLAUGHTEROUSLY SLUGGARDLINESS SLUGGARDNESSES SOMNAMBULATORS SOUTHEASTERNER SOUTHEASTWARDS SOUTHWESTWARDS SPERMATOGENOUS SPIRITUALISERS SPIRITUALISING SPIRITUALISTIC SPIRITUALITIES SPIRITUALIZERS SQUANDERMANIAS SQUARISHNESSES SQUATTOCRACIES STERCULIACEOUS STEREOACUITIES STERNUTATORIES STIGMATIFEROUS STRANGULATIONS STROPHANTHUSES STRUCTURALISED STRUCTURALISES STRUCTURALISMS STRUCTURALISTS STRUCTURALIZES STRUCTURATIONS SUBALTERNITIES SUBAPPEARANCES SUBARBORESCENT SUBATMOSPHERIC SUBCATEGORISED SUBCATEGORISES SUBCATEGORIZES SUBCONTRACTORS SUBDEPARTMENTS SUBGENERATIONS SUBIRRIGATIONS SUBLITERATURES SUBMANDIBULARS SUBMAXILLARIES SUBMINIATURISE SUBNORMALITIES SUBORDINANCIES SUBORDINATIONS SUBSATURATIONS SUBSECRETARIES SUBSIDIARINESS SUBSIDIARITIES SUBSTANTIATORS SUBTERRESTRIAL SUFFERABLENESS SUFFRAGANSHIPS SUFFRAGETTISMS SULFURISATIONS SULFURIZATIONS SULPHONYLUREAS SULPHURISATION SUMMARISATIONS SUMMARIZATIONS SUMMERSAULTING SUOVETAURILIAS SUPERABILITIES SUPERABSORBENT SUPERACHIEVERS SUPERADDITIONS SUPERAMBITIOUS SUPERCALENDERS SUPERCARGOSHIP SUPERCELESTIAL SUPERCILIARIES SUPERCRIMINALS SUPERDAINTIEST SUPERDELEGATES SUPERDIPLOMATS SUPERDOMINANTS SUPEREROGATORS SUPERESSENTIAL SUPERFETATIONS SUPERFICIALISE SUPERGRAVITIES SUPERHUMANISED SUPERHUMANISES SUPERHUMANIZES SUPERHUMANNESS SUPERIMPOSABLE SUPERINSULATED SUPERLOYALISTS SUPERMASCULINE SUPERMEMBRANES SUPERMILITANTS SUPERNATATIONS SUPERORDINATES SUPERORGANISMS SUPERPARTICLES SUPERPHOSPHATE SUPERQUALITIES SUPERREGIONALS SUPERSATURATED SUPERSATURATES SUPERSEXUALITY SUPERSONICALLY SUPERSPECTACLE SUPERSTIMULATE SUPPOSITIONARY SUPRALAPSARIAN SUPRAMOLECULES SUPRASEGMENTAL SURCHARGEMENTS SURPASSINGNESS SURROGATESHIPS SUSPERCOLLATED SUSPERCOLLATES TAUTOCHRONISMS THAUMATURGISMS THAUMATURGISTS THAUMATURGUSES THOROUGHBASSES THUNDERFLASHES THYSANOPTEROUS TRACHYPTERUSES TRAITOROUSNESS TRANQUILLISERS TRANQUILNESSES TRANSCAUCASIAN TRANSCUTANEOUS TRANSEXUALISMS TRANSFUSIONIST TRANSLUCENCIES TRANSMUTATIONS TRANSPICUOUSLY TRANSSEXUALISM TRANSSEXUALITY TREASURERSHIPS TRILINGUALISMS TRUSTABILITIES TYRANNOSAURIDS ULTRARIGHTISMS ULTRARIGHTISTS ULTRAROYALISTS ULTRASENSITIVE UMBRAGEOUSNESS UNAGGRESSIVELY UNASPIRINGNESS UNBEARABLENESS UNCARINGNESSES UNCHRISTIANISE UNCRYSTALLISED UNDERDIAGNOSES UNDERDIAGNOSIS UNDEREMPHASISE UNDERESTIMATES UNDERSTAFFINGS UNDERSTANDINGS UNDERSTRAPPERS UNEMBARRASSING UNGRACEFULNESS UNGRACIOUSNESS UNGRATEFULNESS UNICAMERALISMS UNICAMERALISTS UNILATERALISMS UNILATERALISTS UNIVERSALISING UNIVERSALISTIC UNIVERSALITIES UNMANNERLINESS UNPERSUASIVELY UNPLEASANTRIES UNPREPAREDNESS UNPROFESSIONAL UNREADABLENESS UNRELIABLENESS UNRESPECTABLES UNSATISFACTORY UNSAVORINESSES UNSECTARIANISM UNSPIRITUALISE UNSTANDARDISED UNTOWARDLINESS UNTOWARDNESSES UPROARIOUSNESS URALITISATIONS URANOGRAPHISTS USUFRUCTUARIES VAPOROUSNESSES VERNACULARISES VERNACULARISMS VERNACULARISTS VESICULARITIES VIVIPAROUSNESS VULGARISATIONS VULNERABLENESS WEARIFULNESSES WRATHFULNESSES