Problem: Sentence1: Fall into a strange way of thinking.
Sentence2: Fall asleep.
Q: Does the term fall mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Leach the soil.
Sentence2: The fertilizer leached into the ground.
Q: Does the term leach mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Extract information from the telegram.
Sentence2: Extract a bad tooth.
Q: Does the term extract mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: He thought of his painting as a game that filled his empty time.
Sentence2: Being a child is all fun and games.
Q: Does the term game mean the same thing in both these sentences?

Answer:
the same meaning