considerate hint

consistent friendliness

consoling consciousness

conspicuous ascendency

constant reiteration

constitutional reserve

constrained politeness

constructive idealists

consuming zeal

consummate mastery

contagious wit

contaminating influence

contemplative nature

contemporary fame

contemptuous disrespect

contented indolence

contingent reasons

continuous endeavor

contorted expression

contracted view

contradictory theories

contrary tendencies

contrasted types

controversial disputant

contumelious epithet
            [contumelious = Rudeness or contempt arising from arrogance]

convenient footing

conventional verbiage

conversational decorum

convincing forcefulness

convivial habits

convulsive agony

cool confidence

copious materials

coquettish advances

cordial approval

corporate selfishness

corporeal constituent

correct forecast

corresponding variation

corroborated truth

corrosive effect

corrupting tendency

cosmical changes

cosmopolitan position

costly advantages

counterbalancing power

countless barriers

courageous eagerness

courteous solicitude

courtly bearing

covert curiosity

coveted honors

cowardly concession

cowering agitation

coy reluctance

crackling laughter

crafty deception

craggy eminence

cramped energies

crass stolidity

craven determination

creative faculty

credibly informed

creditable performance

credulous superstition

creeping progress

criminal negligence

cringing smile

crisp dialogue

critical judgment

crouching culprit

crowning indiscretion

crucial instance

crucifying irony

crude affectation

cruel handicap

crumbling precipice

crunching jangle

crushing sorrow

cryptic saying

crystalline sky

crystallized conclusions

culinary myrmidons
                [myrmidon = one who carries out orders without question]

culminating fascination

culpable behavior

cultivated ferocity

cultured idleness

cumbrous fragments [cumbrous = cumbersome; difficult to handle or use]

cumulative tendency

cunningly contrived