Word Cloud Comparator Research
Canvas does not have a native word cloud generation activity.
Skilljar does not support any peer-to-peer learning activities.
Moodle does not have a native word cloud generation activity, but does have plugins for this, such as this one from the University of Vienna.
There are also integrations with other third-party word cloud generation platforms, the most popular of which appears to be Mentimeter
Other Collaborative Word Cloud tools and presentation tools with word cloud features include: