Problem: Sentence1: There was a chemical reaction of the lime with the ground water.
Sentence2: In this reaction, the acid and base will neutralize each other, producing a salt.
Q: Does the term reaction mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: They could not act without official communication from Moscow.
Sentence2: Some say that communication is a necessary prerequisite for sentience; others say that it is a result thereof.
Q: Does the term communication mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Analyze a chemical compound.
Sentence2: Analyze a specimen.
Q: Does the term analyze mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: To arouse anger.
Sentence2: To arouse jealousy.
Q: Does the term arouse mean the same thing in both these sentences?

Answer:
the same meaning