text editor vs copy editor

text editor and copy editor both are nouns.

Word	Noun	Adjective	Verb	Adverb
text editor	Yes	No	No	No
copy editor	Yes	No	No	No

As nouns, text editor and copy editor are synonyms defined as:

text editor and copy editor: an editor who prepares text for publication

Other synonyms of text editor include copyreader.

text editor (noun)	copy editor (noun)
(computer science) an application that can be used to create and view and edit text files	an editor who prepares text for publication
an editor who prepares text for publication