Confusing words. Part IV

economic
economical
The word economic is related to the economy or finances.
For example: The president stated that the economic situation was very serious.
If something is economical, it saves money ("not wasteful”).
For example: The most economical way to see Brazil is by air.

Are the sentences TRUE or FALSE.
What's the most economic way of heating
this building?
The government's economical policies have led us into the worst recession for years.
He was always economical when it come to buying presents.
The country is in a very poor economic state.
In the current economic conditions, we must keep costs down.
A small car is more economic to run.
economical
economic
economical

effective
efficient
Effective means achieving the results that you want (successful).
For example: The cheaper pills are just as effective in treating cold.
If something is efficient it is done in a good way, without wasting time, money or energy.
For example: Lighting is now more energy efficient.

Are the sentences TRUE or FALSE.
Efficient engines save gas.
A car with an efficient engine is a car that travels a long way without using a lot of petrol.
One of the effective sore throat remedies is using cayenne pepper hot and spicy gargle.
It's an effective cure for a headache.
Training is often much less efficient than expected.
Humour is often far more effective than shouting.
effective

ill
sick
If someone has an illness or disease, you usually say that they are ill.
For example: He missed a lot of school when he was ill.
Sick means physically or mentally unwell; nauseous.
For example: He felt sick after eating twelve cakes.