Q: Does the word "push" mean the same thing in "'Now push hard,' said the doctor to the woman." and "The guy hanging around the school is pushing drugs."?

A: different meanings

Q: Does the word "line" mean the same thing in "I tried to make a call, but the line was dead." and "A dedicated line."?

A: the same meaning

Q: Does the word "make" mean the same thing in "Make a mess in one's office." and "She'll make a fine president."?

A: different meanings

Q: Does the word "credit" mean the same thing in "He was given credit for his work." and "Give her credit for trying."?

A:
the same meaning