Kingpin and Noddle

Kingpin noun - One of high position or importance within a group.

Noddle and kingpin are semantically related. In some cases you can use "Noddle" instead a noun "Kingpin".

Noddle noun - The upper or front part of the body that contains the brain, the major sense organs, and the mouth.

Kingpin and noddle are semantically related. Sometimes you can use "Kingpin" instead a noun "Noddle".