Mammoth Uncensored Word List:
95 words ending with gs, 14 letters long

bandspreadings barnsbreakings blackberryings blacksmithings bodysnatchings brainstormings brassfoundings cabinetmakings coachbuildings counterspyings crossbreedings crosshatchings deprogrammings eavesdroppings fellmongerings fictioneerings filibusterings fingerpickings floodlightings floorcoverings foreshadowings gelandesprungs globetrottings hairsplittings homeschoolings housebreakings housecleanings hydrocrackings interbreedings letterspacings longsufferings mainstreetings malimprintings mallemarokings manufacturings matchboardings merchandisings merchandizings metacomputings microcrackings microlightings microprintings moneygrubbings mountebankings multiskillings narrowcastings nightclubbings overbreathings parliamentings playwrightings presentencings prizefightings processionings proportionings restructurings rollerbearings rollerbladings roundtrippings scriptwritings sempstressings shadowcastings sharpshootings sheepshearings skateboardings soundproofings sportscastings sportswritings stagecoachings stepparentings stockbreedings streetwalkings strengthenings telecommutings telecottagings telemarketings telerecordings toothbrushings transplantings transshippings troublemakings turbochargings underbreedings underclothings underpaintings understaffings understandings wappenshawings waterfloodings waterproofings weightliftings winterkillings woolgatherings wordmongerings yesterevenings yestermornings