kingpin
The axis around which steered wheels pivot; a bolt that holds the axis in place.
The pivot or connector between a tractor and trailer in the fifth-wheel coupling of semi-trailer truck.
The most important person in a usually evil undertaking or organization, often a druglord.
The pin at the centre of the triangle of bowling pins (originally the tallest pin in kayles). Sometimes also the headpin at the apex.
The bolt holding together the truck of a roller skate or skateboard.
Thesaurus
Sound Patterns & Rhymes
Rhymes
Words that share the same ending sound pattern
Alliteration
Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)
Assonance
Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing