Hidden inside costi is one standout: stoic, a five-letter play worth 7 points in Scrabble — the ceiling for this rack. In all, 25 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
Unscramble SCTIO, CISOT or SCTOI and you get the same 5 letters as COSTI: so the words from COSTI listed below are the words from those scrambles too.
COSTI isn’t a word itself: it unscrambles to STOIC (noun), one who is indifferent to pleasure or pain, worth 7 points in Scrabble.
stoic is the highest-scoring word from costi, worth 7 points in Scrabble. The top 10 of 25 words are shown here, with the full list organized by length below.
Unscrambling costi produces exactly one five-letter word: stoic. It is not one of the common answers — a genuine unscrambler find — and it banks 7 points in Scrabble.
Rearranging the letters in costi produces 6 valid four-letter words. If a familiar word is all you need, start with cost. For points, the strongest plays are cist, cost, cots, otic, scot, and tics — each worth 6 points in Scrabble.
Unscrambling costi turns up 10 three-letter words. If a familiar word is all you need, start with its and sit. For points, the strongest plays are cis, cos, cot, sic, soc, and tic — each worth 5 points in Scrabble.
There are 8 two-letter words that can be made by unscrambling the letters in costi. If a familiar word is all you need, start with is, it, so, and to. For points, the strongest plays are is, it, oi, os, si, so, ti, and to — each worth 2 points in Scrabble.
Swap a single tile in costi 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 stoic, worth 7 points in Scrabble, and no other word from costi 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 costi produce 25 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 1 five-letter word, 6 four-letter words, 10 three-letter words and 8 two-letter words.