linchpin

As nouns the difference between linchpin and axle

is that linchpin is a pin inserted through holes at the end of an axle, so as to secure a wheel while axle is (obsolete) shoulder or axle can be the pin or spindle on which a wheel revolves, or which revolves with a wheel.

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.

As a noun linchpin

is a pin inserted through holes at the end of an axle, so as to secure a wheel.

As a proper noun fulcrum is

(military) nato code name for the soviet mig-29 aircraft.

As a noun linchpin

is a pin inserted through holes at the end of an axle, so as to secure a wheel.

As a proper noun key is

.

As nouns the difference between linchpin and emergence

is that linchpin is a pin inserted through holes at the end of an axle, so as to secure a wheel while emergence is emergence.

As nouns the difference between assumption and linchpin

is that assumption is the act of assuming]], or taking to or upon one's self; the act of [[take up|taking up or adopting while linchpin is a pin inserted through holes at the end of an axle, so as to secure a wheel.

As a proper noun champion

is .

As a noun linchpin is

a pin inserted through holes at the end of an axle, so as to secure a wheel.

As nouns the difference between linchpin and handle

is that linchpin is a pin inserted through holes at the end of an axle, so as to secure a wheel while handle is a part of an object which is held in the hand when used or moved, as the haft of a sword, the knob of a door, the bail of a kettle, etc or handle can be (slang) a name, nickname or pseudonym.

As a verb handle is

to use the hands.

As nouns the difference between linchpin and nexus

is that linchpin is a pin inserted through holes at the end of an axle, so as to secure a wheel while nexus is (philosophy|rare|nonstandard).