Common Words by Reading

91.1%
cost
cost of medical treatment
consumption tax (incl. sales tax, VAT, excise duty, etc.)
travel expenses
traveling expenses
fuel consumption
amount of consumption
child-rearing expenses
ついやす
ついえる
8.9%
to spend ②to waste ③to devote
to be used up (e.g. one's savings) ②to be wasted (time, effort, etc.)
to spend ②to waste ③to devote
to be used up (e.g. one's savings) ②to be wasted (time, effort, etc.)
Others
consumption of goods (as opposed to services)
consumption of services (as opposed to goods)