keypad

As a noun keypad

is a small board with keys primarily used for tactile input into a machine.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between keypad and touchpad

is that keypad is a small board with keys primarily used for tactile input into a machine while touchpad is a flat surface which is sensitive to touch, used mostly in laptop computers to control an on-screen cursor.

As nouns the difference between keypad and piano

is that keypad is a small board with keys primarily used for tactile input into a machine while piano is piano.

As nouns the difference between mouse and keypad

is that mouse is any small rodent of the genus Mus while keypad is a small board with keys primarily used for tactile input into a machine.

As a verb mouse

is to move cautiously or furtively, in the manner of a mouse (the rodent) (frequently used in the phrasal verb to mouse around).

As nouns the difference between joystick and keypad

is that joystick is a mechanical device consisting of a handgrip mounted on a base or pedestal and typically having one or more buttons, used to control an aircraft, computer or other equipment while keypad is a small board with keys primarily used for tactile input into a machine.

As a verb joystick

is (rare) to manoeuvre by means of a joystick.

As nouns the difference between keypal and keypad

is that keypal is the e-mail equivalent of a penpal; someone with whom to exchange e-mail for the simple joy of communicating while keypad is a small board with keys primarily used for tactile input into a machine.

As nouns the difference between taxonomy and keypad

is that taxonomy is the science or the technique used to make a classification while keypad is a small board with keys primarily used for tactile input into a machine.

Ke is likely misspelled.

Ke has no English definition.

As a noun keypad is

a small board with keys primarily used for tactile input into a machine.