Mammoth Uncensored Word List:
35 - 15 letter words starting with li

liberalisations liberalizations libertarianisms licentiateships lichenification lickerishnesses lieutenantships lifethreatening lightfastnesses lightfootedness lighthandedness lightheadedness lightmindedness lightscattering lightsomenesses lignocelluloses lignocellulosic lignosulfonates limitablenesses limitlessnesses lionheartedness lipodystrophies lipogrammatisms lipogrammatists liquorishnesses lissencephalous listenabilities literalisations literalizations lithesomenesses lithochromatics lithonthryptics lithontriptists litigiousnesses liturgiologists