Appointment book and Daybook

Appointment book noun - A book containing a calendar and space to keep a record of appointments.

Daybook and appointment book are semantically related. in recounting of activities in writing topic. In some cases you can use "Daybook" instead a noun phrase "Appointment book".

Daybook noun - A record of personal experiences, reflections, or ideas kept regularly for private use.

Appointment book and daybook are semantically related. You can use "Appointment book" instead a noun "Daybook".