Problem: Sentence1: Do nothing.
Sentence2: Will $100 do?
Q: Does the term do mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: A lot of money.
Sentence2: He bought a lot on the lake.
Q: Does the term lot mean the same thing in both these sentences?

Answer: different meanings

Problem: Sentence1: Kronas kurss -- the exchange rate of the krona.
Sentence2: Papira krona -- paper krona (i.e., bills, banknotes).
Q: Does the term krona mean the same thing in both these sentences?

Answer: the same meaning

Problem: Sentence1: He managed to wash out the stains.
Sentence2: He washed the dirt from his coat.
Q: Does the term wash mean the same thing in both these sentences?

Answer:
the same meaning