Mammoth Uncensored Word List:
23 - 14 letter words starting with lo

loathfulnesses localisability localizability locksmitheries locomobilities locomotiveness locomotivities lognormalities logodaedaluses lonesomenesses longheadedness longitudinally longsomenesses longsufferings longwindedness lookingglasses lopsidednesses loquaciousness loveablenesses lovelessnesses lovelornnesses lovesicknesses loxodromically