IPA: /oʊˈvɜrˌtɒp/
KK: /oʊˈvɜrˌtɑp/
To be higher than something else or to exceed in quality or importance.
The skyscraper overtops all the other buildings in the city.
Past: overtopped
Past Participle: overtopped
Overtop → It is formed from "over-" (meaning above or beyond) and "top" (meaning the highest point). The word "overtop" means to rise above or exceed the highest point of something.
Think of something that goes 'above' ('over-') the 'highest point' ('top') — that's why overtopping means to exceed or rise above.
No commonly confused words.