As an author, in particular of stories and novels, one has to keep track of numerous characters or locations while writing, and the ability to handle such a thing would be quite useful. Having previously used kile, the standard katepart word completion has served this purpose, however, a more well defined feature for the purpose would be good. Please see the linked wiki page for a description. Reproducible: Always Feature description and discussion here: http://community.kde.org/Calligra/Ideas/Proper_nouns_definition_and_insertion_assistant
Thank you for the bug report. As this report hasn't seen any changes in 5 years or more, we ask if you can please confirm that the issue still persists. If this bug is no longer persisting or relevant please change the status to resolved.