knuckle

As nouns the difference between ankle and knuckle

is that ankle is the skeletal joint which connects the foot with the leg; the uppermost portion of the foot and lowermost portion of the leg, which contain this skeletal joint while knuckle is any of the joints between the phalanges of the fingers.

As verbs the difference between ankle and knuckle

is that ankle is (us|slang) to walk while knuckle is to apply pressure, or rub or massage with one's knuckles.

As nouns the difference between knuckle and null

is that knuckle is any of the joints between the phalanges of the fingers while null is zero, nil; the cardinal number before einn.

As a verb knuckle

is to apply pressure, or rub or massage with one's knuckles.

As nouns the difference between knuckle and articulation

is that knuckle is any of the joints between the phalanges of the fingers while articulation is (countable|or|uncountable) a joint or the collection of joints at which something is articulated, or hinged, for bending.

As a verb knuckle

is to apply pressure, or rub or massage with one's knuckles.

As nouns the difference between knuckle and unique

is that knuckle is any of the joints between the phalanges of the fingers while unique is a thing without a like; something unequalled or unparallelled.

As a verb knuckle

is to apply pressure, or rub or massage with one's knuckles.

As an adjective unique is

(not comparable) being the only one of its kind; unequaled, unparalleled or unmatched.

As verbs the difference between touch and knuckle

is that touch is primarily physical senses while knuckle is to apply pressure, or rub or massage with one's knuckles.

As nouns the difference between touch and knuckle

is that touch is an act of touching, especially with the hand or finger while knuckle is any of the joints between the phalanges of the fingers.

As a noun knuckle

is any of the joints between the phalanges of the fingers.

As a verb knuckle

is to apply pressure, or rub or massage with one's knuckles.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between elbow and knuckle

is that elbow is the joint between the upper arm and the forearm while knuckle is any of the joints between the phalanges of the fingers.

As verbs the difference between elbow and knuckle

is that elbow is to push with the elbow; to jostle or force while knuckle is to apply pressure, or rub or massage with one's knuckles.