Hidden inside prfoo is one standout: proof, a five-letter play worth 10 points in Scrabble — the ceiling for this rack. In all, 17 valid words come out of this rack, grouped by length below and checked for Words With Friends as well as Scrabble.
PRFOO isn’t a word itself: it unscrambles to PROOF (verb), to examine for errors, worth 10 points in Scrabble.
proof is the highest-scoring word from prfoo, worth 10 points in Scrabble. The top 10 of 17 words are shown here, with the full list organized by length below.
Unscrambling prfoo produces exactly one five-letter word: proof. It is an everyday word and an easy play, worth 10 points in Scrabble.
1 six-letter word can be made using all the letters in prfoo plus one additional letter.
Swap a single tile in prfoo 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 proof, worth 10 points in Scrabble, and no other word from prfoo 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 prfoo produce 17 valid words in the Scrabble and Words With Friends dictionaries. The word count by length is: 1 five-letter word, 4 four-letter words, 8 three-letter words and 4 two-letter words.