FUDDLE11
You can find all 342 words with 6 letters from the dictionary that contain E, L, F, D, U ,D in any position on this page. We also have a list of all letter combos contained in 6-letter words on this page.
These words are safe choices for Scrabble, as they will get you 11.3 points on average. Furthermore, the most common starting letter in this group is F (216 words), and the most common ending letter is E (69 words). You should check out our Scrabble or Words With Friends solvers for more options.