I don’t know why I have only just thought of it… I do it on anki. And I assume that many people already do this on Wanikani.
When you are confused on the difference of words. Put a useful link in the “Reading Note” section. Then you can easily access the information when doing your review to reminder yourself.
Put this in the “Reading Note”
公営 vs 官営
Put this in the “Reading Note” https://hinative.com/ja/questions/1023565