keypad vs computer keyboard

keypad and computer keyboard both are nouns.

Word	Noun	Adjective	Verb	Adverb
keypad	Yes	No	No	No
computer keyboard	Yes	No	No	No

As nouns, keypad and computer keyboard are synonyms defined as:

keypad and computer keyboard: a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard

keypad (noun)	computer keyboard (noun)
a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard	a keyboard that is a data input device for computers; arrangement of keys is modelled after the typewriter keyboard