Q: Does the word "get" mean the same thing in "We'll get them!" and "He got his arm broken in the scuffle."?

A: different meanings

Q: Does the word "buildup" mean the same thing in "I envied his rapid buildup of assets." and "A military buildup in preparation for the invasion."?

A: the same meaning

Q: Does the word "line" mean the same thing in "You must wait in a long line at the checkout counter." and "He has a smooth line but I didn't fall for it."?

A: different meanings

Q: Does the word "gravitation" mean the same thing in "The gravitation between two bodies is proportional to the product of their masses and inversely proportional to the square of the distance between them." and ""Gravitation can not be held responsible for people falling in love" -- Albert Einstein."?

A:
the same meaning