Problem: Sentence1: The surface had a greasy feeling.
Sentence2: The wool on my arm produced a strange feeling.
Q: Does the term feeling mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: They moved in under a mask of friendship.
Sentence2: No mask could conceal his ignorance.
Q: Does the term mask mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: He paid all his bills by check.
Sentence2: Put a check mark in the box corresponding to the correct answer.
Q: Does the term check mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: They set out on their return to the base camp.
Sentence2: I expect the house to be spotless upon my return.
Q: Does the term return mean the same thing in both these sentences?

Answer:
the same meaning