dojo
A four letter word meaning not kosher is: tref
kill
into
aver
The word pine can have that meaning.
A four-letter word for cooking fat is "lard".
A four letter word meaning to grow light as the sun rises is dawn.
because they are the four main katas that make up Wado Ryu karate.
Writ
Faux.
lame, maim
site