What do these four things have in common?
1. Actor Morales.
2. A smoothie berry.
3. Most populated Hawaiian Island.
4. A black and white treat.
5. A rapier with a 3-sided blade.
If you are a crossword aficionado you already know the answer as they appear almost daily on any puzzle. They are all four letter words and owe their popularity to 3 of the four letters being vowels.
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