Guidebook and Old testament

Guidebook noun - Something that offers basic information or instruction.

Old testament and guidebook are semantically related in religion topic. In some cases you can use "Old testament" instead a noun "Guidebook".

Old testament noun - The collection of books comprising the sacred scripture of the Hebrews and recording their history as the chosen people; the first half of the Christian Bible.

Guidebook and old testament are semantically related in religion topic. You can use "Guidebook" instead a noun phrase "Old testament".