Problem: Sentence1: We need to replace the secretary that left a month ago.
Sentence2: He replaced the old razor blade.
Q: Does the term replace mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Pick up the tab.
Sentence2: Pick up the burden of high-interest mortgages.
Q: Does the term pick mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: He cast a spell to cure warts.
Sentence2: He whispered a spell as he moved his hands.
Q: Does the term spell mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: What does the law say?
Sentence2: She said 'Hello' to everyone in the office.
Q: Does the term say mean the same thing in both these sentences?

Answer:
different meanings