Hidden inside isth sit hist, hits, shit and 2 others, four-letter plays tied at the top of this rack with 7 points in Scrabble apiece. In all, 16 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
ISTH isn’t a word itself: it unscrambles to HIST, HITS, SHIT, SITH and THIS.
hist, hits, shit and 5 others tie for the highest Scrabble score from isth at 7 points. The top 10 of 16 words are shown here, with the full list organized by length below.
Rearranging the letters in isth produces 5 valid four-letter words. If a familiar word is all you need, start with hits and this. For points, 5 words tie at 7 points, including hits, this and hist.
24 five-letter words can be made using all the letters in isth plus one additional letter.
Swap a single tile in isth and you get a different four-letter rack with its own word list. None of these appear in the results above — they share 3 of the 4 letters, not all of them.
The highest-scoring plays from these letters are hist, hits, shit, sith, and this, worth 7 points in Scrabble, and nothing else built from isth 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 isth produce 16 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 5 four-letter words, 5 three-letter words and 6 two-letter words.