printing vs edition

printing and edition both are nouns.

Word	Noun	Adjective	Verb	Adverb
printing	Yes	No	No	No
edition	Yes	No	No	No

As nouns, edition is a hyponym of printing; that is, edition is a word with a more specific, narrower meaning than printing:

Other hyponyms of printing include proof, test copy, trial impression, mackle.

printing (noun)	edition (noun)
the business of producing printed material for sale or distribution	something a little different from others of the same type
reproduction by applying ink to paper as for publication	an issue of a newspaper
text handwritten in the style of printed matter	the form in which a text (especially a printed book) is published
all the copies of a work printed at one time	all of the identical copies of something offered to the public at the same time