Similar words that have different meanings depending on the syllable stressed – like OBject and obJECT – are easier for a listener to distinguish if the speaker uses hand gestures
Source:
https://www.newscientist.com/article/2266039-using-hand-gestures-when-we-talk-influences-what-others-hear/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home