Hidden inside ffast is one standout: staff, a five-letter play worth 11 points in Scrabble — the ceiling for this rack. In all, 14 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
Unscramble SFFTA, SFFAT or ATFSF and you get the same 5 letters as FFAST: so the words from FFAST listed below are the words from those scrambles too.
FFAST isn’t a word itself: it unscrambles to STAFF (verb), to provide with a body of assistants, worth 11 points in Scrabble.
staff is the highest-scoring word from ffast, worth 11 points in Scrabble. The top 10 of 14 words are shown here, with the full list organized by length below.
Unscrambling ffast produces exactly one five-letter word: staff. It is an everyday word and an easy play, worth 11 points in Scrabble.
1 six-letter word can be made using all the letters in ffast plus one additional letter.
Swap a single tile in ffast 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 staff, worth 11 points in Scrabble, and no other word from ffast 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 ffast produce 14 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 1 five-letter word, 2 four-letter words, 7 three-letter words and 4 two-letter words.