Kazoo.
Examples of abstract nouns starting with K are:karmakeepsakekindnesskismetknowledge
kangaroos
"Know what?!" ... "never mind, i forgot"
kicking krumping
Keyboard.
A musical instrument starting with H is a harp.
kazoo
Kazoo.
instrument called zither?
Gregory K. McMillan has written: 'How to become an instrument engineer' -- subject(s): Instrument manufacture
A musical instrument starting with the letter g is a guitar.
kettle drum
Kazoo
no
Kazoo.
K Street.