Hint 1
Look for one group made of familiar objects or places. The easiest set usually has no wordplay.
Daily hints
Hints before spoilers.
Start with broad nudges, then return to the puzzle when one group clicks.
Hint 2
One set often depends on a word that can appear before all four answers.
Hint 3
If four words feel too obvious, save them. The tricky set may depend on spelling, sound, or hidden patterns.