Hidden inside ism sit ism, mis, and sim, three-letter plays tied at the top of this rack with 5 points in Scrabble apiece. In all, 6 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
ism, mis, and sim tie for the highest Scrabble score from ism at 5 points. The top 6 of 6 words are shown here, with the full list organized by length below.
There are 3 three-letter words hiding in ism: two come from rearranging its letters, and ism itself is already a playable word with no unscrambling required. No common everyday answer stands out among these three-letter results, so let the score decide: the highest-scoring words are ism, mis, and sim, each worth 5 points in Scrabble.
32 four-letter words can be made using all the letters in ism plus one additional letter.
Swap a single tile in ism and you get a different three-letter rack with its own word list. None of these appear in the results above — they share 2 of the 3 letters, not all of them.
ism 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.
The 1-point gap between the two totals comes from the tile values themselves: Scrabble and Words With Friends price the same letters differently.
Dictionaries record one sense for ism. Scrabble and Words With Friends score tiles and not meanings, so every sense below is worth the same 5 points on a Scrabble board:
ism is one of three three-letter words the same letters produce. No arrangement of the same tiles scores higher in Scrabble, so playing ism unchanged also takes the maximum points these letters offer.
The highest-scoring plays from these letters are ism, mis, and sim, worth 5 points in Scrabble, and nothing else built from ism 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 ism produce 6 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 3 three-letter words and 3 two-letter words.