pho·no·scope 
(fōnə-skōp′)
(fōnə-skōp′)n.
A device that produces a visible display of the mechanical properties of a sounding body, especially of musical instruments.
- knobkerrie
- knock
- knockabout
- knock about
- knock around
- knock around (or about)
- knock back
- knock cold
- knock dead
- knock down
- knockdown
- knockdown-dragout
- knocker
- knock for a loop
- knock it off
- knock-knee
- knock-kneed
- knock off
- knockoff
- knock out
- knockout
- knock out of the box
- knock socks off
- knock (someone's) socks off
- knock someone's socks off