Hidden inside costu is one standout: scout, a five-letter play worth 7 points in Scrabble — the ceiling for this rack. In all, 21 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
Unscramble CUOTS, SOUCT or OUCTS and you get the same 5 letters as COSTU: so the words from COSTU listed below are the words from those scrambles too.
COSTU isn’t a word itself: it unscrambles to SCOUT (verb), to observe for the purpose of obtaining information, worth 7 points in Scrabble.
scout is the highest-scoring word from costu, worth 7 points in Scrabble. The top 10 of 21 words are shown here, with the full list organized by length below.
Unscrambling costu produces exactly one five-letter word: scout. It is an everyday word and an easy play, worth 7 points in Scrabble.
Rearranging the letters in costu produces 7 valid four-letter words. If a familiar word is all you need, start with cost and cuts. For points, the strongest plays are cost, cots, cuts, scot, and scut — each worth 6 points in Scrabble.
There are 5 two-letter words that can be made by unscrambling the letters in costu. If a familiar word is all you need, start with so, to, and us. For points, the strongest plays are os, so, to, us, and ut — each worth 2 points in Scrabble.
Swap a single tile in costu 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.
The highest-scoring play from these letters is scout, worth 7 points in Scrabble, and no other word from costu 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 costu produce 21 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 1 five-letter word, 7 four-letter words, 8 three-letter words and 5 two-letter words.