Problem: Sentence1: His conclusion took the evidence into account.
Sentence2: In conclusion I want to say ...
Q: Does the term conclusion mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The workers spell every four hours.
Sentence2: To spell the helmsman.
Q: Does the term spell mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Declare dividends.
Sentence2: Declare bankruptcy.
Q: Does the term declare mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: He came to a bad end.
Sentence2: No one wanted to play end.
Q: Does the term end mean the same thing in both these sentences?

Answer:
different meanings