This is the 5486th most frequent Korean word.
망치
Hammer.
Here, '망치' refers to a tool, specifically a hammer, used for construction work.
망치를 사용해서 못을 박아요.
I use a hammer to drive a nail.
In this sentence, '망치' represents the object used to knock, showing a different application of the hammer.
망치로 문을 두드렸어요.
I knocked on the door with a hammer.
The term '망치' here denotes a physical object that caused an accidental injury upon falling.