As nouns the difference between shackle and clivis

is that shackle is a restraint fit over a human or animal appendage, such as a wrist, ankle or finger. Usually used in plural, to indicate a pair joined by a chain; a hobble while clivis is a neume representing two notes descending.

As a verb shackle

is to restrain using shackles; to place in shackles.

As nouns the difference between happenstance and real

is that happenstance is (countable) a chance or random event or circumstance while real is real (former currency of spain).

As a proper noun smart

is .

As an adjective smarter is

(smart).

As nouns the difference between calibration and control

is that calibration is the act of calibrating something while control is influence or authority over.

As a verb control is

to exercise influence over; to suggest or dictate the behavior of.

As nouns the difference between relevancy and purpose

is that relevancy is (legal|scotland) sufficieny (of a statement, claim etc) to carry weight in law; legal pertinence while purpose is an object to be reached; a target; an aim; a goal.

As a verb purpose is

have set as one's purpose; resolve to accomplish; intend; plan.

As nouns the difference between sights and monuments

is that sights is plural of lang=en while monuments is plural of lang=en.

As a verb sights

is third-person singular of sight.

As nouns the difference between gestures and posture

is that gestures is plural of lang=en while posture is the way a person holds and positions their body.

As verbs the difference between gestures and posture

is that gestures is third-person singular of gesture while posture is to put one's body into a posture or series of postures, especially hoping that one will be noticed and admired.

As verbs the difference between retina and trash

is that retina is while trash is (us) to discard.

As a noun trash is

(chiefly|us) useless things to be discarded; rubbish; refuse.

As nouns the difference between reductiveness and reduction

is that reductiveness is the quality of being reductive, of reducing things to their components while reduction is reduction.

As verbs the difference between reduct and abridge

is that reduct is (obsolete|transitive) to reduce while abridge is (archaic) to deprive; to cut off .

As a noun reduct

is (chemistry) a reducing agent.