From Merriam Webster:
Cost (noun):
1.
(a) The amount or equivalent paid or charged for something (price);
(b) The outlay or expenditure (as of effort or sacrifice) made to achieve an object
2. Loss or penalty incurred especially in gaining something
Cost (t. verb):
1. To have a price of
2. To cause to pay, suffer or lose something
3. To estimate or set the cost of
