Problem: Sentence1: Block the wheels of a car.
Sentence2: Block his election.
Q: Does the term block mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Extend the casserole with a little rice.
Sentence2: Extend the TV antenna.
Q: Does the term extend mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The news spread rapidly through the medical profession.
Sentence2: His conduct is against the established practices of the legal profession.
Q: Does the term profession mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Truck fresh vegetables across the mountains.
Sentence2: Amanda trucked the package to her mother's house from Philadelphia.
Q: Does the term truck mean the same thing in both these sentences?

Answer:
the same meaning