buzzer

As nouns the difference between doorbell and buzzer

is that doorbell is a device on or adjacent to an outer door for announcing one's presence it can be mechanical, directly sounding a bell, or a button that electrically sounds a chime or buzzer inside the building while buzzer is one who, or that which, buzzes; an insect that buzzes.

As a verb doorbell

is to ring many doorbells in an effort to contact people and thereby spread information or solicit.

As nouns the difference between chime and buzzer

is that chime is (musical instruments) a musical instrument producing a sound when struck, similar to a bell (eg a tubular metal bar) or actually a bell often used in the plural to refer to the set: the chimes or chime can be a chine; the edge of a cask while buzzer is one who, or that which, buzzes; an insect that buzzes.

As a verb chime

is to make the sound of a chime.

As nouns the difference between sirene and buzzer

is that sirene is siren, alarm while buzzer is one who, or that which, buzzes; an insect that buzzes.

As nouns the difference between loudspeaker and buzzer

is that loudspeaker is an electromechanical transducer that converts an electrical signal into audible sound while buzzer is one who, or that which, buzzes; an insect that buzzes.

As a noun buzzer

is one who, or that which, buzzes; an insect that buzzes.

As nouns the difference between pager and buzzer

is that pager is a device for receiving alpha-numeric messages while buzzer is one who, or that which, buzzes; an insect that buzzes.

As nouns the difference between buzzer and motor

is that buzzer is one who, or that which, buzzes; an insect that buzzes while motor is a machine or device that converts any form of energy into mechanical energy, or imparts motion.

As an adjective motor is

describing neurons that create the ability to move.

As a verb motor is

to drive around leisurely in a motorised vehicle.

As nouns the difference between buzzer and beeper

is that buzzer is one who, or that which, buzzes; an insect that buzzes while beeper is something that makes a beeping sound, especially a simple computer speaker.