In terms of I am aware, there is no hypernym for "classes which are not online". You can qualify these classes as "on-web-site" or "physical"; but except in the context in which online and non-online have currently been Plainly distinguished this is going to go through/seem alternatively clunky. Intelligent Vocabulary: https://andrernexl.sharebyblog.com/37625528/the-ultimate-guide-to-case-study-solution-online-help