Q: Does "start" have the same meaning in the following two sentences?

To start a business.

Start a new job.

A: different meanings

Q: Does "appear" have the same meaning in the following two sentences?

He had to appear in court last month.

A ship appeared.

A: different meanings

Q: Does "book" have the same meaning in the following two sentences?

He used a large book as a doorstop.

Many readers find the first book of A Tale of Two Cities to be confusing.

A:
different meanings