I am occasionally annoyed by questions in the deck that have multiple valid answers, like 止める・泊める, and it is a burden to have the maintainer add clues there.
Instead of just ignoring it every time, how about:
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similar to synonyms, add an entry field in the notes with a list of items that make the entry box shake. Maybe with a field for a personal hint a la “looking for the one related to movement” or something. In the best case the maker of the deck could provide an initial list and get feedback.
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Or, add a “frontside pen icon” you can move around that can show a hint, or attach it to the footer, …? In that way it can stay independent of the layout.