Unio
4 lettersnounrareUpdated June 2026
Definition
The type genus of the family Unionidae, comprising freshwater mussels found widely across the Northern Hemisphere.
“Biologists dredged the riverbed and recovered numerous unio shells, indicating a healthy freshwater ecosystem.”
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Word Game Tips
Wordle
Three vowels in four letters, U, I, and O together make this a superb early Wordle guess for pinpointing vowels
Scrabble
Worth 4 points, all common low-value tiles, excellent for offloading excess vowels and freeing up rack space
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