One Word.

cha-cha-cha

chachke (my preferred spelling)

Knickknack

Knockers

Knock-knock

Whooo?

Me.

(exactly who did you expect, really?)

Excuuuuse

Breakdown

Petty

Walls

Headlamp

Falconry! It’s in my head, sue me…

Falcon (as in the 1965 Ford Falcon, which I saw today)

Prefect

Headmaster

Brick

House

Ravenclaw

Crow’s-feet