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