Question: Here is one sentence: Make an effort.
Here is another sentence: Make love, not war.
Does the make mean the same thing in the two sentences?

Answer: the same meaning


Question: Here is one sentence: Wharf the passengers.
Here is another sentence: Wharf the mouth of the river.
Does the wharf mean the same thing in the two sentences?

Answer: different meanings


Question: Here is one sentence: Dip the brush into the paint.
Here is another sentence: I had to dip into my savings to buy him this present.
Does the dip mean the same thing in the two sentences?

Answer: different meanings


Question: Here is one sentence: The president's trip will substantiate good relations with the former enemy country.
Here is another sentence: The painting substantiates the feelings of the artist.
Does the substantiate mean the same thing in the two sentences?

Answer:
different meanings