Q: Does the word "start" mean the same thing in "They got an early start." and "The movie was entertaining from start to finish."?

A: different meanings

Q: Does the word "commission" mean the same thing in "The motor was out of commission." and "Put the ships into commission."?

A: the same meaning

Q: Does the word "cost" mean the same thing in "The average cost of a new house is twice as much as t was 20 years ago." and "The cost in human life was enormous."?

A: different meanings

Q: Does the word "sense" mean the same thing in "A sense of danger." and "A sense of happiness."?

A:
the same meaning