If context is missing (paper is torn, parts of conversation are missed) then "overloaded words" can easily be misinterpreted. People have various techniques for

If context is missing (paper is torn, parts of conversation are missed) then "overloaded words" can easily be misinterpreted. People have various techniques for correcting these communication errors: make an assumption based on one's own knowledge of speaker, make an assumption based on one's own knowledge of the topic or beliefs or reconfirm the meaning with the speaker. I am sure there are a lot more. For non-native speakers overloaded words can be challenging to deal with. Overloaded words and close sounding words are also a common source of language games and art. All human languages have ambiguity at some level.