Problem: Sentence1: Keep food for a week in the pantry.
Sentence2: There's little to earn and many to keep.
Q: Does the term keep mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: The surface had a greasy feeling.
Sentence2: She had a feeling of euphoria.
Q: Does the term feeling mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Please develop this roll of film for me.
Sentence2: Please develop this roll of film.
Q: Does the term develop mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: Would you like some tea?
Sentence2: Would you be a dear and get me a cup of tea, please?
Q: Does the term tea mean the same thing in both these sentences?

Answer:
the same meaning