bus and sub tie for the highest Scrabble score from bus at 5 points. The top 3 of 3 words are shown here, with the full list organized by length below.
There are 2 three-letter words hiding in bus: one comes from rearranging its letters, and bus itself is already a playable word with no unscrambling required. Here the everyday answers and the top-scoring plays are one and the same: bus and sub, worth 5 points apiece in Scrabble.
The words below are listed alphabetically. Scores count playable tiles only and leave out premium-square bonuses.
Unscrambling bus produces exactly one two-letter word: us. It is an everyday word and an easy play, worth 2 points in Scrabble.
Swap a single tile in bus 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.
bus 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 2-point gap between the two totals comes from the tile values themselves: Scrabble and Words With Friends price the same letters differently.
Dictionaries record seven senses for bus. Scrabble and Words With Friends score tiles and not meanings, so every sense below is worth the same 5 points on a Scrabble board:
bus is one of two three-letter words the same letters produce. No arrangement of the same tiles scores higher in Scrabble, so playing bus unchanged also takes the maximum points these letters offer.
The highest-scoring plays from these letters are bus and sub, worth 5 points in Scrabble, and nothing else built from bus 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 bus produce 3 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 2 three-letter words and 1 two-letter word.