Some words that use the letters 'd u n e f o u' are:dendodueduneendeonfeudfoefondfonduefoundfunfundnonodnudeodeofononeundoundue
Those letters will spell the word arrangements.
The biggest word I get is fondue, and some smaller words:dendodoedondoneduedunduneduoedendeonfedfenfendfeudfoefondfoundfunfundnonodnodenudeodeofononeundoundueunfed
Those letters spell longer.
The letters can be used to spell the 4 letter words gene, huge and hung. They also spell the 3 letter words fee, fun, gun, hen, hug and ugh.
Kweebnf
Conifer
soften
Some words that use the letters 'd u n e f o u' are:dendodueduneendeonfeudfoefondfonduefoundfunfundnonodnudeodeofononeundoundue
Those letters will spell finger and fringe.
The letters FINGETL spell "felting." (covering of a roof or a billiard table)
Honed
You can spell the word "friends" with those letters.
The letters spell the word effects. The word uses all seven letters.
The letters n-a-m-e will spell:namemanemeanamen
Those letters will spell the word arrangements.
You can spell tinkle with those letters.