allowance
cost of living allowance

approximation
an approximation of the cost

arm
to cost an arm and a leg

bomb
to cost a bomb

c.i.f.
cost, insurance, and freight

CF
cost and freight

COL
cost of living

cool
it cost a cool thousand

cost
cost accountancy

cost-benefit
cost-benefit analysis

cost-cutting
cost-cutting plan

cost-effective
rentável

cost-effectiveness
rentabilidade

count
to count the cost

dear
to cost somebody dear

estimate
estimate of the cost

fortune
...to cost worth a fortune / to spend worth a fortune / to be worth a fortune

fraction
a fraction of the cost

initial
initial cost

low-cost
barato

original
original cost

packet
to cost a packet

prime
prime cost

reason
it cost him a sum out of all reason

reckon
to reckon the cost of

replacement
replacement cost

TCM
 Travel Cost Method

too
it was achieved, too, at a small cost

unit
unit cost / unit price