promptbook vs prompt copy

promptbook and prompt copy both are nouns.

Word	Noun	Adjective	Verb	Adverb
promptbook	Yes	No	No	No
prompt copy	Yes	No	No	No

As nouns, promptbook and prompt copy are synonyms defined as:

promptbook and prompt copy: the copy of the playscript used by the prompter

promptbook (noun)	prompt copy (noun)
the copy of the playscript used by the prompter	the copy of the playscript used by the prompter