According to our word finder, the 3-letter word that starts with O that is worth the most points in Scrabble is OXY – worth a total of 13 points.
However, OXY is just one of 72 3-letter words that start with O. And beyond that, there are also substantially more words that might be available to you. Given you already have the {{phrase}}, you can also check out our lists of 3-letter words ending in O, 3-letter words with O, and words starting with O.