Keep up and Keep on

Keep up verb - To continue to operate or to meet one's needs.

Keep on is a synonym for keep up in keep topic. In some cases you can use "Keep on" instead a verb "Keep up", when it comes to topics like proceed. popular alternative

Keep on verb - Allow to remain in a place or position or maintain a property or feature.

Keep up is a synonym for keep on in keep topic. You can use "Keep up" instead a verb "Keep on", if it concerns topics such as proceed, persist, begin again. popular alternative