The ounce abbreviation ‘Oz’ is not a valid Scrabble word. Neither is it a valid word in the similar word games SOWPODS or Words with Friends.
Ozone is the shortest word beginning with “oz”
However, a number of two-letter words beginning with “O” or “Z” are valid in Scrabble. In fact, reversing the letters “O” and “Z” to form “Zo” would be acceptable. This word refers to a Tibetan yak and can also be spelled “Dzo,” “Zho,” “Dzho,” and “Dso.”
Knowing these two-letter words in Scrabble can make it very easy to score high points with few letters.
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