Wokabulary Feature Suggestions

Hello, I would really love a feature which would allow me to create something like a folder for verbs, adjectives, etc. the tags are a great idea, but with extra folders organizing large amounts of vocabulary would be easier. Thank you for creating

The option to exclude certain tags. Enable learning all tags except for the ones I would like to exclude

For me the feature that sets Wokabulary apart from all others is the ability to tag words and quiz yourself on select tags. However, as my list of tags increases, it becomes more difficult to scroll through them and find the ones I need. For example