chisel vs edge tool

chisel and edge tool both are nouns.

Word	Noun	Adjective	Verb	Adverb
chisel	Yes	No	Yes	No
edge tool	Yes	No	No	No

As nouns, edge tool is a hypernym of chisel; that is, edge tool is a word with a broader meaning than chisel:

chisel: an edge tool with a flat steel blade with a cutting edge
edge tool: any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)

chisel (noun)	edge tool (noun)
an edge tool with a flat steel blade with a cutting edge	any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)

chisel (verb)	edge tool (verb)
carve with a chisel
engage in deceitful behavior; practice trickery or fraud
deprive somebody of something by deceit