Planner vs. Planer

Difference Between Planner and Planer
Plannernoun
One who plans.
Johnny is a good planner. He starts his work in time to get it finished by the deadline.Ms. Gunston is a planner for the county.Planernoun
A woodworking tool which smooths a surface or makes one surface of a workpiece parallel to the tool's bed.
Plannernoun
A notebook or software in which one keeps reminders of items such as appointments, tasks, projects, and contacts.
Planernoun
A large machine tool in which the workpiece is traversed linearly (by means of a reciprocating bed) beneath a single-point cutting tool. (Analogous to a shaper but larger and with the workpiece moving instead of the tool.) Planers can generate various shapes, but were most especially used to generate large, accurate flat surfaces. The planer is nowadays obsolescent, having been mostly superseded by large milling machines.
Plannernoun
a person who makes plans
Planernoun
A wooden block used for forcing down the type in a form, and making the surface even.
Plannernoun
a notebook for recording appointments and things to be done, etc.
Planernoun
a power tool for smoothing or shaping wood