KWordQuiz is a general purpose flash card program. It can be used for vocabulary learning and many other subjects. KWordQuiz is the KDE version of the Windows program WordQuiz. If you have just switched to KDE/Linux you can use all files created in WordQuiz with KWordQuiz. KWordQuiz uses the kvtml file format and you can download contributed files.
WWW: https://projects.kde.org/kwordquiz