verb related with changes

we need to adapt these cars so disabled people can drive them. 

the country found it hard to adapt to the new government

To make sure your car is safe to drive, you should check and adjust the brakes on a regular basis.

He found it hard to adjust to a tropical country.

You must transform the voltage or the system will blow up.

He decided to transform his appearance by having plastic surgery.

Our bills will be less if we switch from gas to electricity.

They had to switch flights at Heathrow Airport.

You cannot alter the terms of the contract once it has been signed.

He wants to alter his appearance.

It will help your digestion if you vary your diet.

Prices of flats vary from a few thousands to millions of pounds.

We need to exchange our pounds for dollars.

You can usually exchange goods which are faulty if you show the receipt.

We have had to expand our sales force to cope with the extra demand.

Water will expand when it is frozen. 

The price of oil will increase next year.

Most bosses refuses to increase salaries when they are asked.

The management decide to dissolve the company and sell the offices.

Dissolve the sugar in boiling water.

More and more people are moving to cities to swell the population there.

The swap sting caused his leg to swell up.

The market for typewriters will probably disappear completely in the next few years.

The police are confused by the increasing number of people who disappear this year.

The old contract ran out and we had to renew it.

Many people argue that it's futile to renew old hostilities. 

They have received funds to renovate the old building.

The house is in good condition, but we need to renovate the central heating system.

The boss offered to promote him from salesman to manager.

Our main aim is to promote tourism in the country.

If you washed it too much, the colour will fade.

We watched the islands fade away into the distance. 

The company decided to replace the permanent staff with freelancers.

You must replace the books on the shelf when you have finished with them.

The doctors were unable to cure her illness.

Preserve the meat in salt water for between three and five days.

Governments are trying to reduce pollution. 

The best way to save money is to reduce the number of staff.