Requirements:

so that similar entries can be renamed to anything (similar documents, for example) so that you can arbitrarily add their list from the admin panel so that they do not automatically add themselves (without manual addition)

Prompt a plugin that can meet these requirements.

    1 answer 1

    Prompt a plugin that can meet these requirements.

    Almost all standard is.

    And there are some: https://wordpress.org/plugins/post-connector/screenshots/