IPA: /ˈkiːpæd/
KK: /kipæd/
A small device with buttons that you press to enter numbers or commands, often used with computers or electronic devices.
She entered the code on the keypad to unlock the door.
Keypad → It is formed from "key" (from Old English *cāg*, meaning a device for opening locks) and "pad" (from Old English *pædd*, meaning a flat surface or cushion). The word "keypad" refers to a flat surface with keys used for inputting data or commands.
Think of a 'key' as a device that opens things and a 'pad' as a flat surface — together, a keypad is a flat surface with keys for entering information.
No commonly confused words.