etch vs etching

etch is not a noun while etching is a noun.

Word	Noun	Adjective	Verb	Adverb
etch	No	No	Yes	No
etching	Yes	No	No	No

etch (noun)	etching (noun)
	making engraved or etched plates and printing designs from them
	an etched plate made with the use of acid
	an impression made from an etched plate

etch (verb)	etching (verb)
selectively dissolve the surface of (a semiconductor or printed circuit) with a solvent, laser, or stream of electrons
carve or cut a design or letters into
make an etching of
carve or cut into a block used for printing or print from such a block
cause to stand out or be clearly defined or visible