There are 578 nine-letter words containing A, F, R and S, https://www.bestwordlist.com/c/a/4/9letterwordswithafrs.htm
AEROFOILS AFFECTERS AFFERENTS AFFIRMERS AFFORESTS AFFRAYERS AFFRIGHTS
AFORESAID AFTEREYES AFTERINGS AFTERMAST AFTERMOST AFTERSHOW AFTERSUNS
AIRFIELDS AIRFRAMES AIRPROOFS AIRSHAFTS ALFERECES APERITIFS APRONFULS
AQUAFARMS ARCHFOOLS ARGUFIERS ARTEFACTS ARTIFACTS ARTIFICES ASTROFELL
AUSFORMED BACKFIRES BALEFIRES BASIFIERS BAYFRONTS BEDFRAMES BERGFALLS
BIFARIOUS BIRDFARMS BREAKFAST BREAKOFFS BREASTFED BRIEFCASE BUSHCRAFT
CAMPFIRES CAPRIFIES CAPRIFIGS CARNIFIES CEASEFIRE CHAFFRONS CHAMFRONS
CHANFRONS CHAUFFERS CLARIFIES COFACTORS COLORFAST CONFERVAS CORNFLAGS
CRAFTIEST CRAFTLESS CRAFTSMAN CRAFTSMEN CRAMPFISH CRATEFULS CROSSFALL
DANDRIFFS DANDRUFFS DEFEATERS DEFERRALS DEFLATERS DEFLATORS DEFOAMERS
DEFRAYALS DEFRAYERS DIFFRACTS DISAFFIRM DISFAVORS DISFAVOUR DRAFFIEST
DRAFTIEST DRAFTINGS DRAFTSMAN DRAFTSMEN DREADFULS DRIFTAGES DWARFISMS
DWARFNESS EARTHFAST ECOFREAKS FABRIQUES FABURDENS FACTORIES FACTORISE
FAHLERZES FAILOVERS FAIRGOERS FAIRISHLY FAIRLEADS FAIRYDOMS FAIRYISMS
FAKIRISMS FALCONERS FALDERALS FALDEROLS FALSEWORK FALSIFIER FALTERERS
FAMILIARS FANFARONS FANTASTRY FARADISED FARADISER FARADISES FARADISMS
FARADIZES FARCEUSES FARCIFIES FAREBOXES FAREWELLS FARFALLES FARMERESS
FARMERIES FARMHANDS FARMHOUSE FARMLANDS FARMSTEAD FARMWIVES FARMWORKS
FARMYARDS FARNESOLS FARNESSES FAROLITOS FARRAGOES FARSEEING FARTHINGS
FASHERIES FASHIONER FASTENERS FATHOMERS FATTENERS FAUBOURGS FAVORITES
FAVORLESS FAVOURERS FEDERATES FEEDYARDS FELDGRAUS FELDSCHAR FELDSPARS
FELLATORS FEMERALLS FENESTRAE FENESTRAL FENESTRAS FEODARIES FERACIOUS
FERALISED FERNSHAWS FERRIAGES FETERITAS FEUDARIES FIBRANNES FIGEATERS
FIGURANTS FILAGREES FILANDERS FILARIIDS FILATURES FILECARDS FILMCARDS
FILTRATES FINAGLERS FINALISER FINNMARKS FIREBACKS FIREBALLS FIREBASES
FIREBOATS FIREBRATS FIRECLAYS FIREDAMPS FIREFANGS FIREHALLS FIREMARKS
FIRESCAPE FIRETRAPS FIREWALLS FIRMWARES FIRSTHAND FISHERMAN FIXATURES
FLANCARDS FLANERIES FLAPERONS FLASHCARD FLASHOVER FLATBRODS FLATFORMS
FLATIRONS FLATSHARE FLATWARES FLATWORKS FLATWORMS FLAUNTERS FLAVORERS
FLAVORIST FLAVOROUS FLEAWORTS FLOORAGES FLOORPANS FLOSCULAR FLUIDRAMS
FLUORSPAR FLUSTRATE FLYMAKERS FLYPAPERS FLYSPRAYS FOEDARIES FOOFARAWS
FOOTGEARS FOOTMARKS FOOTRACES FOOTWEARS FORASMUCH FORBIDALS FOREBEARS
FORECASTS FOREDATES FOREFACES FOREHANDS FOREHEADS FORELANDS FOREMASTS
FOREMEANS FORENAMES FOREPARTS FOREPEAKS FOREPLANS FOREPLAYS FORERANKS
FOREREADS FORESAILS FORESHANK FORESLACK FORESPAKE FORESPEAK FORESTAGE
FORESTAIR FORESTALL FORESTAYS FORESTEAL FORESTIAL FORESWEAR FORETASTE
FOREWARDS FOREWARNS FOREYARDS FORFAULTS FORHAILES FORJASKIT FORKBALLS
FORKHEADS FORKTAILS FORMALINS FORMALISE FORMALISM FORMALIST FORMIATES
FORMULARS FORSAKERS FORSAKING FORSAYING FORSLACKS FORSPEAKS FORSWEARS
FORSYTHIA FORWASTED FORWASTES FORZANDOS FOSCARNET FOSSORIAL FOSTERAGE
FOULMARTS FOURBALLS FOURPLAYS FOXSHARKS FRACKINGS FRACTIONS FRACTIOUS
FRACTURES FRAGGINGS FRAGILEST FRAGMENTS FRAILNESS FRAILTEES FRAILTIES
FRAMBESIA FRAMBOISE FRAMELESS FRAMPLERS FRANCHISE FRANCISED FRANCISES
FRANCIUMS FRANCIZES FRANGLAIS FRANKLINS FRANKNESS FRANSERIA FRANZIEST
FRAPEAGES FRASCATIS FRATERIES FRAUDSMAN FRAUDSMEN FRAUDSTER FRAUGHANS
FRAULEINS FRAUTAGES FREAKIEST FREAKOUTS FREDAINES FREEBASED FREEBASER
FREEBASES FREELOADS FREEMASON FREEWARES FRESCADES FRICADELS FRICASSEE
FRITTATAS FRIULANOS FROGSPAWN FRONDAGES FRONTAGES FRONTWAYS FROTTAGES
FRUGALIST FRUITAGES FRUSTRATE FRYBREADS FUMARASES FUMARATES FUMAROLES
FUNBOARDS FUNDRAISE FURACIOUS FURANOSES FURCRAEAS FURFURALS FURFURANS
FUSARIUMS FUSAROLES GAIRFOWLS GAREFOWLS GARFISHES GASIFIERS GEARSHIFT
GIFTWARES GIFTWRAPS GIRAFFIDS GIRAFFISH GRAFFITIS GRAFTAGES GRAFTINGS
GRATIFIES GRAYFLIES HAFTARAHS HAFTORAHS HANGFIRES HARDFACES HAUSFRAUS
HEADFIRST HEADSCARF HOARFROST INFLAMERS INFLATERS INFLATORS INFRAREDS
INFUSORIA ISOGRAFTS JAKFRUITS JALFREZIS KEYFRAMES KOFTGARIS KORFBALLS
LANDFORMS LEAFERIES LEAFROLLS LEAFWORMS LEAPFROGS LEFTWARDS LIFECARES
LIFESAVER LOAFERISH MAMMIFERS MASTERFUL MISFARING MISFEASOR MISFRAMED
MISFRAMES MISGRAFTS MORTSAFES NEFARIOUS OARFISHES OSSIFRAGA OSSIFRAGE
OVERFALLS OVERFEARS OVERSTAFF PACIFIERS PANFORTES PARAFFINS PARAFFLES
PARAFOILS PARAFORMS PEDALFERS PENCRAFTS PERFECTAS PERFORANS PERFUSATE
PINAFORES PLANFORMS PLATFORMS PRAEFECTS PRAISEFUL PRATFALLS PREDRAFTS
PREFACERS PREFRANKS PRESSFATS PROFANERS PROFORMAS RAFFINOSE RAFFISHLY
RAFFLESIA RAINFALLS RANKSHIFT RAREFIERS RASTAFARI RATFISHES RATIFIERS
RAZORFISH REAFFIRMS REAFFIXES REDEFEATS REFASHION REFASTENS REFERRALS
REFORMATS REFUSABLE REISTAFEL RESTAFFED RESURFACE RIFAMPINS RIFFRAFFS
RIJSTAFEL ROCKFALLS ROCKSHAFT ROOFSCAPE SACCIFORM SACRIFICE SACRIFIDE
SACRIFIED SACRIFIES SAFARIING SAFARISTS SAFEGUARD SAFFLOWER SAFFRONED
SAFRANINE SAFRANINS SAFRONALS SALPIFORM SANGFROID SANSERIFS SAPORIFIC
SASSAFRAS SATISFIER SAUCERFUL SAUFGARDS SAXIFRAGE SCARFINGS SCARFPINS
SCARFSKIN SCARFWISE SCARIFIED SCARIFIER SCARIFIES SCLAFFERS SCROFULAS
SEACRAFTS SEAFARERS SEAFARING SEAFLOORS SEAFRONTS SELFWARDS SEMIDWARF
SERAFILES SFORZANDI SFORZANDO SFORZATOS SGRAFFITI SGRAFFITO SHARIFIAN
SHERIFIAN SHOREFAST SHORTFALL SHROFFAGE SNARFLING SOFTWARES SOLFATARA
SONGCRAFT SPEARFISH STAFFROOM STAIRFOOT STAIRLIFT STARDRIFT STARFRUIT
STERNFAST STIFFWARE STRAFFING STRAFINGS STUDFARMS STYROFOAM SUBDWARFS
SUBFRAMES SUFFRAGAN SUFFRAGES SUGARLOAF SULFURATE SUPERFANS SUPERFARM
SUPERFAST SUPERSAFE SUPERWAIF SURFACERS SURFACING SURFBOARD SURFBOATS
SURFICIAL TAFFARELS TAFFERELS TAFFRAILS TARTUFFES TERAFLOPS TRADEOFFS
TRAINFULS TRANSFARD TRANSFECT TRANSFERS TRANSFIXT TRANSFORM TRANSFUSE
TRAPFALLS TRIFECTAS TRIFOCALS TURBOFANS TURFGRASS ULTRAFAST ULTRASAFE
ULTRASOFT UNFAIREST VINIFERAS WAFERIEST WARCRAFTS WARFARERS WARFARINS
WASTERFUL WASTRIFES WAVEFORMS WAYFARERS WELFARISM WELFARIST WHARFAGES
WHARFINGS WORKFARES ZEBRAFISH ZOOGRAFTS