Piece of writing and Written word

Piece of writing noun - The work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect).

Written word and piece of writing are semantically related. In some cases you can replace phrase "Written word" with "Piece of writing", this phrases are similar.

Written word noun - The written form of a word.

Piece of writing and written word are semantically related. Sometimes you can replace phrase "Piece of writing" with "Written word", this phrases are similar.