knocker

As nouns the difference between beater and knocker

is that beater is someone or something that beats or beater can be (us|informal) a sleeveless undershirt while knocker is a device, usually hinged with a striking plate, used for knocking on a door.

As a noun knocker is

a device, usually hinged with a striking plate, used for knocking on a door.

As nouns the difference between knocker and knucker

is that knocker is a device, usually hinged with a striking plate, used for knocking on a door while knucker is a kind of , living in knuckerholes in sussex, england.

As nouns the difference between knocker and knicker

is that knocker is a device, usually hinged with a striking plate, used for knocking on a door while knicker is of or relating to knickers.

As a noun knocker

is a device, usually hinged with a striking plate, used for knocking on a door.

As a verb knocked is

(knock).

As nouns the difference between knocker and knacker

is that knocker is a device, usually hinged with a striking plate, used for knocking on a door while knacker is one who makes knickknacks, toys, etc.

As a verb knacker is

to tire out, become exhausted.

As a noun knocker

is a device, usually hinged with a striking plate, used for knocking on a door.

As an adjective knockerless is

without a knocker (hinged device for knocking).