Q: Does the word "fall" mean the same thing in "The line of men fall forward." and "Light fell on her face."?

A: different meanings

Q: Does the word "gob" mean the same thing in "He's always stuffing his gob with fast food." and "She's got such a gob on her -- she's always gossiping about someone or other."?

A: the same meaning

Q: Does the word "authority" mean the same thing in "Respect my authority!" and "She spoke with authority."?

A: different meanings

Q: Does the word "wear" mean the same thing in "The tires showed uneven wear." and "She bought it for everyday wear."?

A:
different meanings