A bar chart race is an animated bar chart that shows changes over time. For example, the top 10 countries by CO2 emissions per capita from 1800 to 2014: More examples from LivelyData The most populous cities in the world from 1500 to 2018 (with audio commentary): You can make your own bar chart races… Read more Bar chart races
The 2018 Daily chart advent calendar is a selection of The Economist‘s charts. Every day from December 1st to 25th a chart from 2018 is featured. For example, today’s chart shows the average cost of a normal birth in private hospitals in various countries. All of the magazine’s charts can be seen in the section,… Read more Daily chart advent calendar
TheFreeDictionary includes a thesaurus with word diagrams. For example, the word influence: Graphic Thesaurus for "influence" provided by FreeThesaurus.com (The diagram may or may not appear above this line.) A similar tool is Visuwords.