Dumbom, dunce, blockhead.

Dumdristig, foolhardy.

Dumhet, stupidity, folly.

Dunder, thunder, crack, peal.

Dunkel, gloomy, dim; (ett) obscurity, dimness.

Duns, dump, bump, thud.

Dunst, vapor, steam.

Dusch, shower-bath.

Dussin, dozen.

Dust, grapple.