This demo shows how we can push additional words into existing WordCloud.
Code
All we need to do is to push a data object into WordCloud series data:
series.data.push({ category: "Five", value: 5 });
series.data.push({ category: "Five", value: 5 });
Demo
See the Pen
Adding a word to a WordCloud by amCharts team (@amcharts)
on CodePen.0