Answer:

ket

Answer	Crossword Clue
KET	Good-for-nothing person: Scot.
KET	Siberian river, 500 miles to the Ob.
KET	Weight of ancient Egypt: Var.

KET	Egyptian weight.
KET	A good-for-nothing: Scot.
KET	Siberian people
KET	U.S.S.R. river
KET	Yenisei people