loyal

zumh awk tlak a simi

loyalist

zumh awk tlak in a ummi.

loyalty

zumh awk tlakmi sinak

lubricant

a naltertu si

lubricate

nal seh ti i si thuh

lubrication

nalternak

lubricator

a naltertu, minung a si zongah thil a si zongah.

lucid

a tleu , a fiang

lucidity

fiannak , thiannak

luck

van; van ttha van chia;  e.g. He ascribed his failure to bad luck = A sunghnak kah vanchiat ruangah a si tiah a ruah, vanchiat a puh.