karoo needs no unscrambling at all — the five-letter word is already the strongest play its own letters allow, banking 9 points in Scrabble as it stands. In all, 17 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
karoo is the highest-scoring word from karoo, worth 9 points in Scrabble. The top 10 of 17 words are shown here, with the full list organized by length below.
Only one five-letter word uses the letters in karoo — and it is karoo itself. No unscrambling is needed: the word is already playable as written, worth 9 points in Scrabble.
Rearranging the letters in karoo produces 3 valid four-letter words. No common everyday answer stands out among these four-letter results, so let the score decide: the highest-scoring words are kora, okra, and rook, each worth 8 points in Scrabble.
Unscrambling karoo turns up 9 three-letter words. No common everyday answer stands out among these three-letter results, so let the score decide: the highest-scoring words are ark, koa, kor and 2 more, each worth 7 points in Scrabble.
Swap a single tile in karoo and you get a different five-letter rack with its own word list. None of these appear in the results above — they share 4 of the 5 letters, not all of them.
karoo is in the NWL, the official Scrabble word list for North America, and in the Words With Friends dictionary, so it's playable exactly as it stands and needs no unscrambling.
Both totals match, because every tile in karoo carries the same value on a Scrabble board and on a Words With Friends board.
karoo is the only five-letter word the same letters produce. No arrangement of the same tiles scores higher in Scrabble, so playing karoo unchanged also takes the maximum points these letters offer.
The highest-scoring play from these letters is karoo, worth 9 points in Scrabble, and no other word from karoo earns more points in Scrabble. Words With Friends prices the same letters differently, so the top of the list changes on a Words With Friends board. Both scores count tile values only and exclude premium squares.
The letters in karoo produce 17 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 1 five-letter word, 3 four-letter words, 9 three-letter words and 4 two-letter words.