What It Scores
CHOOF is a valid word in the tournament list this site uses. Tile values only, before any premium square: 13 in Scrabble and 14 in Words With Friends. The letters break down as C3 H4 O1 O1 F4.
Words Made From The Letters In CHOOF
16 shorter words come out of these tiles. On a board that matters more than the long play, because a short word on a premium square often beats a long one on plain squares.
4 letter words (3)
3 letter words (8)
2 letter words (5)
Longer Words Containing CHOOF
CHOOF appears inside each of these, which is what makes it worth knowing as a hook.
Next: the Word Unscrambler for any letters at all. Full entry and definition at Merriam-Webster.