Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
When I mark a word known in the browser extension will it mark every word with that reading as known? For example if I mark a common kana only word I don't want it marking a bunch of rarer kanji words with the same reading but different meaning