yellow is probably the most popular long word that starts with Y but there is probably a complecated word that not very much people know.
Some words ending in IA are:acaciaariaAsiaciliadementiafuschiamediamilitiasepiasequoiasuburbiatibia
Some words ending with OY are:ahoyalloyannoybatboybeachboybellboyboybuoybusboycloyconvoycorduroycowboycoydecoydeploydestroyemployenjoyenvoyhighboyhomeboyhouseboyjoykilljoylowboynewsboyoverjoypageboypaperboyplayboyploysavoyschoolboysoytallboytomboytoytroyviceroy
Fray, flay. fury
Gravy is a food. It begins with G and ends with Y.
List of words ending in -eel:cartwheelchainwheelcogwheelcreeleelenwheelfeelflywheelforefeelfreewheelgearwheelgenteelhandwheelheelkeelkneelmanchineelnewsreelnosewheelpeelpinwheelreelrefeelseelspeelstreelsteelungenteelunreelwheel
Some three letter words ending in Y are:anybaybuycaycoycrydaydryfryflygayguyhayheyjayjoykeylaymaypayraysaysoyshyslyspystywaywhywry
Some words ending with the letter Y:alleyangryanybaybeautybellybullybunnybuycaychattychillychimneychutneycityclammyclarityclayclumsycoycrycurlydaydiarydizzydonkeydopeydrearydroopydrydutyearlyeasyenergyeveryfairyfancyflurryflyforayfrayfrillyfryfudgyfunnyfurrygalaxygaygloomyglorygorygraygullygummyguyhairyhayheavyheyhollyholyhurryjayjazzyjellyjerseyjoyjurykellykeykinkykitschykittyklutzylatelylaylibertylibrarylobbylovelylowlyluckylumpymajestymanymaymercurymelancholymemorymiserymoldymoneymonkeymurkynannynastynavynaynearlyneatlyneedynicelyniftynightlynimblyninetynobodynuttypansypantrypartypaypennypettyplayponyprayprettypunyputtyracyrainyrallyrayreadyreallyrefineryrelayrelyremedyreplayriskyrockyrosaryrubyrunnyrustysandysashaysavvysayshinyshysillyskyslysorrysoyspottyspryspystorystysunnysurveyswaytackytallytangytastytawdryteddytemporarytenacitytendencyterrytheythirstythirtythriftytinytodaytoytrulytrustytummyturkeytyrannyuglyuncannyundulyunifyunityuniversityunlikelyunluckyunrulyuppityusuallyusuryutilityvalleyvarietyvarsityvaryveracityverifyversatilityveryvestryvirtuallywarywavywaywheywhywillowywinerywintrywryxerographyyearlyyeastyyesterdayyuckyyummyzanyzestyzingyzippyzoologyzymurgy
By Sly Cry Try Spry
yearly
YESTERDAY , YAWNY .... hOW MANY MORE WORDS DO YOU KNOW ??
Quietly; quickly; quaintly; quarry; queenly; quirkily.
Lazy
rallyrayracyraunchyreallyredundancyrealityrevolutionaryreactionaryrectifyrelayrectoryrepayreplayreciprocityreplyriskyricketyrosyroyaltyrockyroomyrotaryrosaryrunnyruddyrusty
loony
anyanchovyalimonybushyblurrybreezybraverybuybountybeautycoycopaycopycozyclassyclingycrumbycanarycarrycelerycutlerycityclaycrazyconveydaydaintydaisydiscoverydeliveryenemyebonyentryfryguygravityglossyheavyhayharmonyironyivoryinfamyjoykeyladyluckymoneymanymaymatrimonynosynastynaughtyoverpayoverstayorderlyobeyoverlayprioritypaypovertypoetrypunchypastrypantrypaunchyplaypraypenitentiaryqueasyrayraunchyrockyrubysayswaystayscaryskinnyslimystretchyscratchyshinystorytinytoytackytelepathyunityuniformityverywaywavywintryyearlyzippyzany
anonymityastrologyblasphemycarpentrycustomarydichotomyetymologyformalitygallantrygenerallyhusbandryindemnityjudiciarykiddinglyleucotomymomentarynotorietyobviouslyprimarilyrepertorysolemnitytactfullyunanimityvoluntaryvisionarywistfullyzealously
Yoga and yucca.