cold chisel vs set chisel

cold chisel and set chisel both are nouns.

Word	Noun	Adjective	Verb	Adverb
cold chisel	Yes	No	No	No
set chisel	Yes	No	No	No

As nouns, cold chisel and set chisel are synonyms defined as:

cold chisel and set chisel: narrow chisel made of steel; used to cut stone or bricks

cold chisel (noun)	set chisel (noun)
narrow chisel made of steel; used to cut stone or bricks	narrow chisel made of steel; used to cut stone or bricks