Problem: Sentence1: Blaze a trail.
Sentence2: Meteors blazed across the atmosphere.
Q: Does the term blaze mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The end of the pier.
Sentence2: They rode to the end of the line.
Q: Does the term end mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Keep open the possibility of a merger.
Sentence2: Keep my job for me while I give birth.
Q: Does the term keep mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: The emission of heat from a fire.
Sentence2: The emission of light from the sun.
Q: Does the term emission mean the same thing in both these sentences?

Answer:
the same meaning