Question: Sentence 1: A sense of self.
Sentence 2: A sense of happiness.
Does sense mean the same thing in these two sentences?
============
Answer: the same meaning

Question: Sentence 1: The sequence of reciprocals has zero as its limit.
Sentence 2: To the limit of his ability.
Does limit mean the same thing in these two sentences?
============
Answer: different meanings

Question: Sentence 1: Toy with an idea.
Sentence 2: Figo is toying with the English defence.
Does toy mean the same thing in these two sentences?
============
Answer:
the same meaning