Q: Does the word "expression" mean the same thing in "The best poker players can tell if the opponents have a good hand by looking at their expression." and "Her expression changed from joy to misery after realising her winning lottery ticket had expired."?

A: the same meaning

Q: Does the word "work" mean the same thing in "The voting process doesn't work as well as people thought." and "The medicine works only if you take it with a lot of water."?

A: the same meaning

Q: Does the word "bankruptcy" mean the same thing in "Moral bankruptcy." and "Intellectual bankruptcy."?

A: the same meaning

Q: Does the word "wall" mean the same thing in "A wall of prejudice." and "The container's walls were blue."?

A:
different meanings