kingpin

As a noun kingpin

is (motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

As a letter x is

the twenty-fourth letter of the.

As a symbol x is

voiceless velar fricative.

As a proper noun king

is the title of a king.

As a noun kingpin is

(motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

As nouns the difference between linchpin and kingpin

is that linchpin is a pin inserted through holes at the end of an axle, so as to secure a wheel while kingpin is (motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

Head is a related term of kingpin.

As a proper noun head

is , from residence near a hilltop or the head of a river, or a byname for someone with an odd-looking head.

As a noun kingpin is

(motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

Ringleader is a related term of kingpin.

As nouns the difference between ringleader and kingpin

is that ringleader is a leader of a group of people, especially an unofficial group while kingpin is (motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

Superintendent is a related term of kingpin.

As nouns the difference between superintendent and kingpin

is that superintendent is a person who is authorized to supervise, direct or administer something while kingpin is (motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

As an adjective superintendent

is overseeing; superintending.

As nouns the difference between kingpin and supervillain

is that kingpin is (motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt while supervillain is a fantasy fiction criminal or evil-doer, often with supernatural powers or equipment, in popular children's and fantasy literature who can present a credible challenge for a superhero.

As nouns the difference between hitter and kingpin

is that hitter is agent noun of hit; one who hits while kingpin is (motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt.

As nouns the difference between kingpin and frontrunner

is that kingpin is (motorized vehicles) the axis around which steered wheels pivot; a bolt that holds the axis in place—a kingbolt while frontrunner is .